(NASDAQ:AMZN) and Baidu (NASDAQ:BIDU) reported better-than-expected earnings this week. Yahoo! (NASDAQ:YHOO) reported worse than expected earnings. And XM Satellite Radio (NASDAQ:XMSR) reported, well, narrower-than-expected losses. Can Amazon maintain its momentum? Is Baidu the next Google (NASDAQ:GOOG)? Does Yahoo need Microsoft (NASDAQ:MSFT) to right the ship? What would a merger with Sirius (NASDAQ:SIRI) mean for XM investors? In this installment of “Fool Video,” Motley Fool senior analyst Rick Munarriz gives his take. is a Motley Fool Stock Advisor recommendation. and Google are Motley Fool Rule Breakers picks. Microsoft is an Inside Value recommendation. Try any of our Foolish newsletter services free for 30 days.

Rick Munarriz subscribes to both XM and Sirius but doesn’t own either stock. Neither Rick nor Mac owns any of the stocks discussed. The Fool has a disclosure policy.