** FILE ** Alibaba.com CEO Jack Ma speaks during a news conference to launch the software called ALISOFT in Shanghai, China, in this Jan. 8, 2007 file photo. Alibaba.com Corp., a leading Chinese online commerce site in which Yahoo Inc. owns a 40 percent stake, has taken steps toward an initial public stock offering in Hong Kong for its business-to-business unit, a company spokesman said Monday, July 30, 2007. (AP Photo/Eugene Hoshiko, File)