Support WBURWith Alibaba IPO, Yahoo Reaps A Big Reward From Risky BetPlay04:17Download AudioAarti ShahaniSeptember 20, 2014 ShareYahoo 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. (AP)