The cause of the burning sensation you feel in your muscles while exercising is twofold: it is partly due to the build up of lactic acid, but it is also due to a lack of oxygen. 1  You can ameliorate this by paying close attention to your breathing while you exercise.
| License Photo. NEW YORK, June 18 (UPI) -- Heading into Thursday, the highest level the Nasdaq had ever reached was 5,132.52 -- a mark set in March 2000. At the close of trading, the composite was nearly a half-point higher -- and good for a new all-time record.
Microsoft stock up 4%, hits 14-year high. Microsoft's 14-year roller coaster ride is over, as its stock reached its highest level since March 2000. Microsoft has finally put the worst of the dot-com bust behind it. Shares surged more than 4% Tuesday to their highest price since March 24, 2000. The stock rose after Microsoft () disclosed plans for a press conference about a new product for mobile and cloud computing to take place on March 27.