From The Motley Fool's brand-new studio in New York, this very special Investor Beat features host Chris Hill and Motley Fool co-founder and CEO Tom Gardner as they discuss three major headline stocks making moves today.

Yahoo! (NASDAQ:YHOO) has announced that it will be buying back an additional $5 billion in shares of its common stock. Share buybacks can be a great move or a very poor one, depending on the timing. How good of a move is this for Yahoo! today? Tom and Chris take a look at CEO Marissa Mayer's track record with the company so far, as well as how much Yahoo! stands to benefit from the upcoming Alibaba.com IPO.