Amazon.com (NASDAQ:AMZN) announced that it will release a video streaming device in early April, to compete with devices such as Roku, Apple TV, and Google's Chromecast. Microsoft (NASDAQ:MSFT) stock is up today, on news that new CEO Satya Nadella may unveil the Office suite of software for the iPad on March 27, a move that could generate as much as $2.5 billion in revenue for the company. GameStop (NYSE:GME) shares fell today, after Wal-Mart (NYSE:WMT) announced that it will now let customers trade in used video games in exchange for gift cards. And Hertz (NYSE:HTZ) announced earnings, along with the news that the company will spin off its equipment rental business into a separate publicly traded company.

In this segment from Tuesday's Investor Beat, host Alison Southwick and Motley Fool analysts Jason Moser and Mike Olsen look at four stocks making moves on the market today.

Alison Southwick has no position in any stocks mentioned. Jason Moser owns shares of Amazon.com. Michael Olsen, CFA owns shares of Microsoft. The Motley Fool recommends Amazon.com and owns shares of Amazon.com, GameStop, Hertz Global Holdings, and Microsoft. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.