China's Baidu (BIDU) has teamed up with local financial portal Stockstar.com to launch a mobile Web application that lets Chinese users access information on companies traded on the Shanghai and Shenzhen stock exchanges. Stockstar's owner, China Finance Online, said in an announcement that the new mobile Web application went live earlier this month. It allows smartphones running on Google (GOOG) Android and Apple (AAPL) iOS operating systems to