Amazon.com (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.

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