eBay wants to turn China into its biggest market within a decade, and Yahoo expects to become an online auction challenger there as well, according to an AFX newswire story. E-commerce and search will drive China's internet market, Yahoo chairman Terry Semel is quoted as telling Beijing financial forum, with online advertising also "moving quickly." Semel predicts the internet will soon enough account for 5-10 percent of total ad spending in China, up from the current 1.5 percent.