One of the group's 25 business units, Alibaba.com, an e-commerce platform for small businesses, went public on the Hong Kong Stock Exchange in 2007, before Mr. Ma took it private again last year. (The rest of the group's units, including Taobao, Tmall and Alipay, have never gone public.) The financial crisis hurt Alibaba.com, he says, and it needed major changes.
WSJ: Weekend Confidential: Jack Ma of Alibaba