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Exxon Mobil briefly overtook Apple as the largest U.S. publicly traded company by market value on Friday as shares of the technology giant continued to fall.

Samsung Electronics is expected to announce its Q4 results on January 25. The electronics giant has already given a sneak peek into its earnings, announcing earlier this month that its operating profits grew close to 90% y-o-y to a record 8.8 trillion Won ($8.3 billion) during the holiday quarter.

Apple Inc missed revenue expectations for the third straight quarter after sales of its flagship iPhone came in below Wall Street's targets, driving its shares down 6 percent.

In June 2011, I spent some time with an early version of BlackBerry 10 and commented that things “can only get better.” I said that because. at the time, things weren’t good. At all. BlackBerry 10 was a mess and the developer unit I tried it on was so glitchy I felt guilty writing a hands-on piece at all. Yesterday, off-site at CES, I got a full run down of a near-final version of BlackBerry 10 by the folks at Research in Motion. I can’t believe the difference six months can make. BlackBerry 10 is not only fully functional now, but it’s exciting.

Best Buy's holiday sales fell despite a surprisingly resilient showing in the U.S., and the consumer-electronics retailer said its cash flow continues to weaken.

Phil Schiller, Apple’s SVP of Global Marketing, said in an interview to a Chinese newspaper that “cheap smart phones will not be developed in order to grab market share away”. There have been a number of analysts, especially over the past few days, and the Wall Street Journal who have speculated that Apple will come out with a lower priced iPhone in potentially a smaller format.

Samsung went for commercial flash at the international Consumer Electronics Show this week with bendable screens, kitchen appliances controlled by smartphones and razor-thin televisions. But just as important was a less-glamorous announcement that the world’s largest smartphone maker is turning its attention to a new pocket of lucrative potential customers: corporations and government agencies.

Sony unveils the Xperia Z, a flagship handset which is water resistant and feature HDR video.

Cameras that can record in 3-D are usually pretty complicated, sporting two lenses instead of one, to mimic human binocular vision. Samsung says it has a more elegant solution: a single lens that can go from 2-D to 3-D mode with the flip of a switch.

New TVs from Samsung will recognize an expanded range of gestures so people can swipe through on-screen menus in a way that revolutionizes the old remote control.