Yahoo co-founder Jerry Yang at the 2008 Consumer Electronics Show in Las Vegas. Yahoo will gain nearly $8 billion from the Alibaba IPO because of its $1 billion investment in Alibaba 2005.
Alibaba founder and CEO Jack Ma has much to laugh about. Shares in the company opened Friday at $92.70 on the New York Stock Exchange. The company is now valued at more than $200 billion — that's bigger that Amazon and Facebook.