Amazon's big earnings miss; Microsoft flexes its cloud muscle; Xerox heads to splitsville

Here are some of the stocks the Yahoo Finance team will be watching for you today.

Amazon.com (AMZN) reported a big earnings per share miss for the fourth quarter. And even though revenue jumped 22% to nearly $36 billion, it was still a tad shy of Wall Street expectations. Some factors that dragged down profits were costs related to storing the goods its sells, or so-called fulfillment expenses which rose 33% from a year ago and growth in its cloud computing division also failed to impress investors. 

Microsoft (MSFT) is flexing its muscle. The tech giant reported a beat on both its top and bottom lines for its fiscal second quarter, as the company's cost-cutting efforts and its push to cloud products and services paid off.  

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Visa (V) posted earnings per share that beat by a penny, but revenue fell slightly short of estimates. Profit jumped 24% fom a year ago as consumers swiped their credit cards more to pay for purchases. Visa will replace American Express (AXP) in March as the exclusive card accepted at Costco (COST) stores.  

Xerox (XRX) plans to split into two separate publicly traded companies. One company will contain its office machines and another will house its services operations. Activist investor Carl Icahn, who has a more than 8% stake in the company, will also get three seats on the service's company board. The split is expected to be completed by the end of this year. The announcement comes as Xerox reported earnings per share that topped analysts' estimates, but revenue came in slightly below forecasts.