as a result , during a portion of fiscal year 2019 , we shipped a higher amount of desktop gaming gpu products relative to where end user demand turned out to be and subsequently compensated by shipping a lower amount of desktop gaming gpu products relative to end user demand to allow the channel to work down that inventory . for fiscal year 2020 , we expect our gaming revenue to be slightly down compared to fiscal year 2019 , with expected growth from sales of turing-based gpu products and notebook gpu products partially offsetting decreases that we believe were caused by the previously-noted factors . professional visualization revenue was $ 1.13 billion , up 21 % from a year earlier driven by strength across both desktop and mobile workstation products . datacenter revenue was $ 2.93 billion , up 52 % from a year ago , led by strong sales of our volta architecture-based products , including nvidia tesla v100 and dgx systems . toward the end of fiscal year 2019 , we believe that customers across broad-based vertical markets and geographies became increasingly cautious due to economic uncertainty , and a number of 24 datacenter deals did not close . while we believe the pause is temporary , our visibility remains relatively low and we do not expect a meaningful recovery in the datacenter market until later in fiscal year 2020. automotive revenue of $ 641 million was up 15 % from a year earlier , driven by infotainment modules , production drive platforms , and development agreements with automotive companies . oem and ip revenue was $ 767 million , down 1 % from a year ago , driven by the absence of intel licensing revenue , which concluded in the first quarter of fiscal year 2018. revenue from cryptocurrency-specific products in fiscal years 2019 and 2018 was $ 306 million and $ 273 million , respectively . we expect revenue from cryptocurrency-specific products to be negligible going forward . gross margin for fiscal year 2019 was 61.2 % , compared with 59.9 % a year earlier , which reflects our continued shift toward higher-value platforms , which more than offset the impact of approximately $ 128 million in charges for excess dram and other components we recorded in the fourth quarter of fiscal year 2019 and a charge of $ 57 million we recorded during the third quarter of fiscal year 2019 related to prior architecture components and chips . operating expenses for fiscal year 2019 were $ 3.37 billion , up 29 % from a year earlier , reflecting primarily employee additions and increases in employee compensation and other related costs , including infrastructure costs . income from operations for fiscal year 2019 was $ 3.80 billion , up 19 % from a year earlier . net income and net income per diluted share for fiscal year 2019 were $ 4.14 billion and $ 6.63 , respectively , up 36 % and 38 % , respectively , from a year earlier , fueled primarily by revenue growth and improved gross margin , as well as the impact of the u.s. tax reform benefit . during fiscal year 2019 , we returned $ 1.95 billion to shareholders through a combination of $ 1.58 billion in share repurchases and $ 371 million in quarterly cash dividends . we intend to return $ 3.00 billion to shareholders by the end of fiscal year 2020 , including $ 700 million of share repurchases we made in the fourth quarter of fiscal year 2019. cash , cash equivalents and marketable securities were $ 7.42 billion as of january 27 , 2019 , compared with $ 7.11 billion as of january 28 , 2018 . the increase was primarily related to the increase in net income , partially offset by changes in working capital and the increases in stock repurchases , dividends and taxes paid related to restricted stock units . gpu business during fiscal year 2019 , for gaming , we announced nvidia rtx - a computer graphics technology using our turing architecture that produces movie-quality images in real time using ray tracing and ai . during the year , we released many new geforce rtx desktop gaming gpu products , including rtx 2080ti , 2080 , 2070 and 2060 , as well as many new max-q geforce gaming notebook gpu products - the most recent of which are powered by rtx gpus . for our professional visualization platform , we announced the quadro gv100 gpu with rtx technology , making real-time ray tracing possible on professional design and content creation applications . we also unveiled the quadro rtx series , which is designed to revolutionize the workflow of designers and artists on the desktop , and announced the nvidia cuda-accelerated redcode raw decode sdk , enabling developers and studios to edit 8k video . for our datacenter platform , we unveiled many advances to our deep learning computing platform - including nvidia tesla v100 gpus with 32gb memory , nvidia nvswitch gpu interconnect fabric , the nvidia dgx-2 and hgx-2 for ai and hpc , the nvidia rtx server , and tensorrt 4 ai inference accelerator software . in addition , we introduced rapids , an open-source gpu-acceleration platform for data science and machine learning , launched the nvidia t4 cloud gpu and nvidia tensorrt hyperscale inference platform for advanced acceleration in hyperscale datacenters , announced gpu acceleration for kubernetes to facilitate enterprise inference deployment on multi-cloud gpu clusters , and announced that five of the world 's seven fastest supercomputers are powered by nvidia gpus . tegra processor business during fiscal year 2019 , for the automotive market , we introduced the nvidia drive autopilot level 2+ automated driving system , announced nvidia drive agx design wins with toyota , volvo cars and isuzu motors , and announced that daimler and bosch have selected nvidia 's drive platform to bring automated and driverless vehicles to city streets . story_separator_special_tag revenue from quadro gpus for professional visualization increased by 12 % due primarily to higher sales in both high-end desktop and mobile 29 workstation products . revenue from geforce gpu products for mainstream pc oems increased by over 90 % due primarily to strong demand for gpu products targeted for cryptocurrency mining . tegra processor business . tegra processor business revenue was up slightly in fiscal year 2019 compared to fiscal year 2018 . this was driven by an increase of over 15 % in automotive revenue , primarily from infotainment modules , production drive px platforms , and development agreements with automotive companies , offset by a decline of approximately 15 % in soc modules for gaming platforms and related development services . tegra processor business revenue increased by 86 % in fiscal year 2018 compared to fiscal year 2017 . this was driven by an increase of over 300 % in revenue from soc modules for gaming platforms and development services , and an increase of 15 % in automotive revenue , primarily from infotainment modules , drive px platforms and development agreements for self-driving cars . all other . our patent license agreement with intel concluded in the first quarter of fiscal year 2018. for fiscal year 2018 , we recognized related revenue of $ 43 million , down from $ 264 million for fiscal year 2017. concentration of revenue revenue from sales to customers outside of the united states accounted for 87 % of total revenue for each of fiscal years 2019 , 2018 , and 2017 . revenue by geographic region is allocated to individual countries based o n the location to which the products are initially billed even if the revenue is attributable to end customers in a different location . no single customer represented more than 10 % of total revenue for fiscal years 2019 and 2018. in fiscal year 2017 , we had one customer that represented 12 % of our total revenue . gross profit and gross margin gross profit consists of total revenue , net of allowances , less cost of revenue . cost of revenue consists primarily of the cost of semiconductors purchased from subcontractors , including wafer fabrication , assembly , testing and packaging , board and device costs , manufacturing support costs , including labor and overhead associated with such purchases , final test yield fallout , inventory and warranty provisions , memory and component costs , and shipping costs . cost of revenue also includes development costs for license and service arrangements and stock-based compensation related to personnel associated with manufacturing . our overall gross margin was 61.2 % , 59.9 % , and 58.8 % for fiscal years 2019 , 2018 , and 2017 , respectively . the increase in fiscal year 2019 reflects our continued shift toward higher-value platforms , which more than offset the impact of approximately $ 128 million in charges for excess dram and other components we recorded in the fourth quarter of fiscal year 2019 and a charge of $ 57 million we recorded during the third quarter of fiscal year 2019 related to prior architecture components and chips . the increase in fiscal year 2018 was driven primarily by a favorable shift in mix , the growth of our geforce gaming gpu revenue , and the growth of our datacenter revenue for cloud , deep learning , ai , and graphics virtualization . the increase in fiscal year 2018 was partially offset by the conclusion of our patent license agreement with intel in the first quarter of fiscal year 2018. inventory provisions totaled $ 270 million , $ 48 million , and $ 62 million for fiscal years 2019 , 2018 , and 2017 , respectively . sales of inventory that was previously written-off or written-down totaled $ 41 million , $ 35 million , and $ 51 million for fiscal years 2019 , 2018 , and 2017 , respectively . as a result , the overall net effect on our gross margin was an unfavorable impact of 2.0 % in fiscal year 2019 and insignificant in fiscal years 2018 and 2017 . a discussion of our gross margin results for each of our reportable segments is as follows : gpu business . the gross margin of our gpu business increased during fiscal year 2019 when compared to fiscal year 2018 , primarily due to strong sales of high-end geforce gaming gpus and revenue growth in datacenter , including tesla , grid and dgx , for cloud , deep learning , ai , and graphics virtualization . the gross margin of our gpu business increased during fiscal year 2018 when compared to fiscal year 2017 primarily due to strong sales of our geforce gaming gpu products and revenue growth in datacenter , including tesla , grid and dgx , for cloud , deep learning , ai , and graphics virtualization . tegra processor business . the gross margin of our tegra processor business increased during fiscal year 2019 when compared to fiscal year 2018 , primarily due to a favorable mix shift . the gross margin of our tegra processor business increased during fiscal year 2018 when compared to fiscal year 2017 , primarily due to revenue growth in gaming development platforms and automotive . 30 operating expenses replace_table_token_7_th research and development research and development expenses increased by 32 % in fiscal year 2019 compared to fiscal year 2018 and increased by 23 % in fiscal year 2018 compared to fiscal year 2017 , driven primarily by employee additions and increases in employee compensation and other related costs , including infrastructure costs and stock-based compensation expense . sales , general and administrative sales , general and administrative expenses increased by 22 % in fiscal year 2019 compared to fiscal year 2018 and increased by 23 % in fiscal year 2018 compared to fiscal year 2017 , driven primarily by employee additions and increases in employee compensation and other related

liquidity and capital resources replace_table_token_8_th replace_table_token_9_th as of january 27 , 2019 , we had $ 7.42 billion in cash , cash equivalents and marketable securities , an increase of $ 314 million from the end of fiscal year 2018 . our investment policy requires the purchase of highly rated fixed income securities , the diversification of investment types and credit exposures , and certain limits on our portfolio duration . cash provided by operating activities increased in fiscal year 2019 compared to fiscal year 2018 , primarily due to higher net income , partially offset by changes in working capital . cash provided by operating activities increased in fiscal year 2018 compared to fiscal year 2017 , primarily due to higher net income and changes in working capital . 32 cash used in investing activities increased in fiscal year 2019 compared to fiscal year 2018 , due to higher purchases and lower sales of marketable securities , partially offset by higher maturities of marketable securities . cash provided by investing activities for fiscal year 2018 increased from fiscal year 2017 , primarily due to a reduction in purchases of marketable securities , partially offset by the purchase of our previously-financed santa clara campus building . cash used in financing activities increased in fiscal year 2019 compared to fiscal year 2018 , due to higher share repurchases and higher tax payments related to employee stock plans , partially offset by lower repayments of convertible notes . cash used in financing activities in fiscal year 2018 increased from fiscal year 2017 , primarily due to cash provided from the issuance of $ 2.00 billion of notes in fiscal year 2017 as well as higher repayments of convertible notes , tax payments related to employee stock plans , share repurchases and dividend payments in fiscal year 2018. liquidity our primary sources of liquidity are our cash and cash equivalents , our marketable securities , and the cash generated by our operations .


 Write a concise suspicious activity report of the following text delimited by triple backquotes. Return your response as a formal report which covers the key points highlighting the location,dates,entity names and account holder information in chronological order of the text.
     ```liquidity and capital resources replace_table_token_8_th replace_table_token_9_th as of january 27 , 2019 , we had $ 7.42 billion in cash , cash equivalents and marketable securities , an increase of $ 314 million from the end of fiscal year 2018 . our investment policy requires the purchase of highly rated fixed income securities , the diversification of investment types and credit exposures , and certain limits on our portfolio duration . cash provided by operating activities increased in fiscal year 2019 compared to fiscal year 2018 , primarily due to higher net income , partially offset by changes in working capital . cash provided by operating activities increased in fiscal year 2018 compared to fiscal year 2017 , primarily due to higher net income and changes in working capital . 32 cash used in investing activities increased in fiscal year 2019 compared to fiscal year 2018 , due to higher purchases and lower sales of marketable securities , partially offset by higher maturities of marketable securities . cash provided by investing activities for fiscal year 2018 increased from fiscal year 2017 , primarily due to a reduction in purchases of marketable securities , partially offset by the purchase of our previously-financed santa clara campus building . cash used in financing activities increased in fiscal year 2019 compared to fiscal year 2018 , due to higher share repurchases and higher tax payments related to employee stock plans , partially offset by lower repayments of convertible notes . cash used in financing activities in fiscal year 2018 increased from fiscal year 2017 , primarily due to cash provided from the issuance of $ 2.00 billion of notes in fiscal year 2017 as well as higher repayments of convertible notes , tax payments related to employee stock plans , share repurchases and dividend payments in fiscal year 2018. liquidity our primary sources of liquidity are our cash and cash equivalents , our marketable securities , and the cash generated by our operations .
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 Suspicious Activity Report : as a result , during a portion of fiscal year 2019 , we shipped a higher amount of desktop gaming gpu products relative to where end user demand turned out to be and subsequently compensated by shipping a lower amount of desktop gaming gpu products relative to end user demand to allow the channel to work down that inventory . for fiscal year 2020 , we expect our gaming revenue to be slightly down compared to fiscal year 2019 , with expected growth from sales of turing-based gpu products and notebook gpu products partially offsetting decreases that we believe were caused by the previously-noted factors . professional visualization revenue was $ 1.13 billion , up 21 % from a year earlier driven by strength across both desktop and mobile workstation products . datacenter revenue was $ 2.93 billion , up 52 % from a year ago , led by strong sales of our volta architecture-based products , including nvidia tesla v100 and dgx systems . toward the end of fiscal year 2019 , we believe that customers across broad-based vertical markets and geographies became increasingly cautious due to economic uncertainty , and a number of 24 datacenter deals did not close . while we believe the pause is temporary , our visibility remains relatively low and we do not expect a meaningful recovery in the datacenter market until later in fiscal year 2020. automotive revenue of $ 641 million was up 15 % from a year earlier , driven by infotainment modules , production drive platforms , and development agreements with automotive companies . oem and ip revenue was $ 767 million , down 1 % from a year ago , driven by the absence of intel licensing revenue , which concluded in the first quarter of fiscal year 2018. revenue from cryptocurrency-specific products in fiscal years 2019 and 2018 was $ 306 million and $ 273 million , respectively . we expect revenue from cryptocurrency-specific products to be negligible going forward . gross margin for fiscal year 2019 was 61.2 % , compared with 59.9 % a year earlier , which reflects our continued shift toward higher-value platforms , which more than offset the impact of approximately $ 128 million in charges for excess dram and other components we recorded in the fourth quarter of fiscal year 2019 and a charge of $ 57 million we recorded during the third quarter of fiscal year 2019 related to prior architecture components and chips . operating expenses for fiscal year 2019 were $ 3.37 billion , up 29 % from a year earlier , reflecting primarily employee additions and increases in employee compensation and other related costs , including infrastructure costs . income from operations for fiscal year 2019 was $ 3.80 billion , up 19 % from a year earlier . net income and net income per diluted share for fiscal year 2019 were $ 4.14 billion and $ 6.63 , respectively , up 36 % and 38 % , respectively , from a year earlier , fueled primarily by revenue growth and improved gross margin , as well as the impact of the u.s. tax reform benefit . during fiscal year 2019 , we returned $ 1.95 billion to shareholders through a combination of $ 1.58 billion in share repurchases and $ 371 million in quarterly cash dividends . we intend to return $ 3.00 billion to shareholders by the end of fiscal year 2020 , including $ 700 million of share repurchases we made in the fourth quarter of fiscal year 2019. cash , cash equivalents and marketable securities were $ 7.42 billion as of january 27 , 2019 , compared with $ 7.11 billion as of january 28 , 2018 . the increase was primarily related to the increase in net income , partially offset by changes in working capital and the increases in stock repurchases , dividends and taxes paid related to restricted stock units . gpu business during fiscal year 2019 , for gaming , we announced nvidia rtx - a computer graphics technology using our turing architecture that produces movie-quality images in real time using ray tracing and ai . during the year , we released many new geforce rtx desktop gaming gpu products , including rtx 2080ti , 2080 , 2070 and 2060 , as well as many new max-q geforce gaming notebook gpu products - the most recent of which are powered by rtx gpus . for our professional visualization platform , we announced the quadro gv100 gpu with rtx technology , making real-time ray tracing possible on professional design and content creation applications . we also unveiled the quadro rtx series , which is designed to revolutionize the workflow of designers and artists on the desktop , and announced the nvidia cuda-accelerated redcode raw decode sdk , enabling developers and studios to edit 8k video . for our datacenter platform , we unveiled many advances to our deep learning computing platform - including nvidia tesla v100 gpus with 32gb memory , nvidia nvswitch gpu interconnect fabric , the nvidia dgx-2 and hgx-2 for ai and hpc , the nvidia rtx server , and tensorrt 4 ai inference accelerator software . in addition , we introduced rapids , an open-source gpu-acceleration platform for data science and machine learning , launched the nvidia t4 cloud gpu and nvidia tensorrt hyperscale inference platform for advanced acceleration in hyperscale datacenters , announced gpu acceleration for kubernetes to facilitate enterprise inference deployment on multi-cloud gpu clusters , and announced that five of the world 's seven fastest supercomputers are powered by nvidia gpus . tegra processor business during fiscal year 2019 , for the automotive market , we introduced the nvidia drive autopilot level 2+ automated driving system , announced nvidia drive agx design wins with toyota , volvo cars and isuzu motors , and announced that daimler and bosch have selected nvidia 's drive platform to bring automated and driverless vehicles to city streets . story_separator_special_tag revenue from quadro gpus for professional visualization increased by 12 % due primarily to higher sales in both high-end desktop and mobile 29 workstation products . revenue from geforce gpu products for mainstream pc oems increased by over 90 % due primarily to strong demand for gpu products targeted for cryptocurrency mining . tegra processor business . tegra processor business revenue was up slightly in fiscal year 2019 compared to fiscal year 2018 . this was driven by an increase of over 15 % in automotive revenue , primarily from infotainment modules , production drive px platforms , and development agreements with automotive companies , offset by a decline of approximately 15 % in soc modules for gaming platforms and related development services . tegra processor business revenue increased by 86 % in fiscal year 2018 compared to fiscal year 2017 . this was driven by an increase of over 300 % in revenue from soc modules for gaming platforms and development services , and an increase of 15 % in automotive revenue , primarily from infotainment modules , drive px platforms and development agreements for self-driving cars . all other . our patent license agreement with intel concluded in the first quarter of fiscal year 2018. for fiscal year 2018 , we recognized related revenue of $ 43 million , down from $ 264 million for fiscal year 2017. concentration of revenue revenue from sales to customers outside of the united states accounted for 87 % of total revenue for each of fiscal years 2019 , 2018 , and 2017 . revenue by geographic region is allocated to individual countries based o n the location to which the products are initially billed even if the revenue is attributable to end customers in a different location . no single customer represented more than 10 % of total revenue for fiscal years 2019 and 2018. in fiscal year 2017 , we had one customer that represented 12 % of our total revenue . gross profit and gross margin gross profit consists of total revenue , net of allowances , less cost of revenue . cost of revenue consists primarily of the cost of semiconductors purchased from subcontractors , including wafer fabrication , assembly , testing and packaging , board and device costs , manufacturing support costs , including labor and overhead associated with such purchases , final test yield fallout , inventory and warranty provisions , memory and component costs , and shipping costs . cost of revenue also includes development costs for license and service arrangements and stock-based compensation related to personnel associated with manufacturing . our overall gross margin was 61.2 % , 59.9 % , and 58.8 % for fiscal years 2019 , 2018 , and 2017 , respectively . the increase in fiscal year 2019 reflects our continued shift toward higher-value platforms , which more than offset the impact of approximately $ 128 million in charges for excess dram and other components we recorded in the fourth quarter of fiscal year 2019 and a charge of $ 57 million we recorded during the third quarter of fiscal year 2019 related to prior architecture components and chips . the increase in fiscal year 2018 was driven primarily by a favorable shift in mix , the growth of our geforce gaming gpu revenue , and the growth of our datacenter revenue for cloud , deep learning , ai , and graphics virtualization . the increase in fiscal year 2018 was partially offset by the conclusion of our patent license agreement with intel in the first quarter of fiscal year 2018. inventory provisions totaled $ 270 million , $ 48 million , and $ 62 million for fiscal years 2019 , 2018 , and 2017 , respectively . sales of inventory that was previously written-off or written-down totaled $ 41 million , $ 35 million , and $ 51 million for fiscal years 2019 , 2018 , and 2017 , respectively . as a result , the overall net effect on our gross margin was an unfavorable impact of 2.0 % in fiscal year 2019 and insignificant in fiscal years 2018 and 2017 . a discussion of our gross margin results for each of our reportable segments is as follows : gpu business . the gross margin of our gpu business increased during fiscal year 2019 when compared to fiscal year 2018 , primarily due to strong sales of high-end geforce gaming gpus and revenue growth in datacenter , including tesla , grid and dgx , for cloud , deep learning , ai , and graphics virtualization . the gross margin of our gpu business increased during fiscal year 2018 when compared to fiscal year 2017 primarily due to strong sales of our geforce gaming gpu products and revenue growth in datacenter , including tesla , grid and dgx , for cloud , deep learning , ai , and graphics virtualization . tegra processor business . the gross margin of our tegra processor business increased during fiscal year 2019 when compared to fiscal year 2018 , primarily due to a favorable mix shift . the gross margin of our tegra processor business increased during fiscal year 2018 when compared to fiscal year 2017 , primarily due to revenue growth in gaming development platforms and automotive . 30 operating expenses replace_table_token_7_th research and development research and development expenses increased by 32 % in fiscal year 2019 compared to fiscal year 2018 and increased by 23 % in fiscal year 2018 compared to fiscal year 2017 , driven primarily by employee additions and increases in employee compensation and other related costs , including infrastructure costs and stock-based compensation expense . sales , general and administrative sales , general and administrative expenses increased by 22 % in fiscal year 2019 compared to fiscal year 2018 and increased by 23 % in fiscal year 2018 compared to fiscal year 2017 , driven primarily by employee additions and increases in employee compensation and other related

