Sam Mattera

Microsoft, Qualcomm fall as the broader market dips despite Twitter's surge.

Tech stocks Microsoft, Activision Blizzard, and OpenTable are helping to lead the market higher.

As the market sells off, a number of tech stocks are outperforming, including Microsoft, AOL, and Pandora.

Markets are little changed on the session ahead of Tesla earnings. Microsoft is one of the biggest gainers in the Dow, while BlackBerry has taken a beating.

Apple and Google are moving in different directions when it comes to NFC, and it could affect chip suppliers like Broadcom.

Asus' new device combines Microsoft's Windows with Google's Android, but Apple doesn't have anything to fear.

Nintendo's console, the Wii U, has been a failure, leaving the company dependent on its 3DS. But Nintendo's handheld is seeing more competition than ever before from Samsung and Apple.

DISH Network looks poised to acquire LightSquared's assets. To put those assets to use, it may have to merge, acquire or partner with Sprint or T-Mobile.

The Dow Jones is lower but still in positive territory following a disappointing earnings report from Chevron. First Solar is higher after it beat on earnings, along with J.C. Penney.

Google's next version of Android enhances its performance on budget handsets, making it more attractive to emerging market consumers pursued by Microsoft and Nokia.

Apple's share of the tablet market is contracting as tablets made by Samsung, running Google's Android, grow in popularity.

Seagate's earnings and revenue continue to decline while the market shifts to SSDs made by companies like SanDisk augmented by cloud storage solutions offered by companies including Microsoft.

Sprint continues to bleed subscribers while other networks, including T-Mobile and Verizon, add them. Can its new super-fast technology reverse the trend?

When Google unveils the next version of Android, it could have an immense impact on itself and its competitors Microsoft and Apple.

Samsung's Galaxy Gear is reportedly disappointing many buyers. That's good for both Google and Apple.

Apple's iPad business is slowing as competition from Google and Microsoft puts a limit on the iPad's growth.

Samsung, Google and Nvidia are working to make Android gaming the next big thing.

Microsoft's Windows Phone has scored some big new apps. That should help sales of Nokia's Lumia devices, but Apple-like success still seems unlikely.

Samsung, in its quest to compete with Apple, is exerting greater control over Google's mobile operating system.

Nokia's upcoming tablet runs Microsoft's the troubled Windows RT operating system. Other hardware partners, including Samsung, have abandoned it.