In June 2017, Tencent became the 8th most valuable company in BrandZ's Top 100 Most Valuable Global Brands, signalling its growing influence globally as well as the rise of Chinese brands.[70][71][72] Alibaba overtook Tencent as Asia's most valuable company as its stocks surged after the company hosted its 2017 Investor's day.[73] The company has also developed its own voice assistant Xiaowei, and is in the midst of discussion to acquire Rovio Entertainment, the developer of Angry Birds.[74][75] At the same time, Tencent introduced its mini-programs feature that allows smartphone users to access mobile apps across the globe on WeChat without downloading them.[76] In July 2017, Tencent bought a 9% share in Frontier Developments,[77] the creator of the Elite: Dangerous and Planet Coaster franchises; as well as developer for Rollercoaster Tycoon 2 & 3.[78] In August 2017, after Tencent announced the second quarter 2016 financial report, the stock price rose by 6.2% in the Hong Kong stock market, and the market value reached US$429 billion.[79] Tencent became the second Asian company after Alibaba Group to surpass US$400 billion market cap.[80] Tencent has also created an alliance to its own AI self-driving program, similar to Baidu's Apollo Project, recruiting numerous industry players in the automotive industry.[81][82] It is also collaborating with L'Oréal, the world's largest cosmetics company, to explore digital marketing under the Joint Business Partnership (JBP) agreement.[83]