• Most active Nasdaq-traded stocks Tuesday, 20 Jan 2015 | 1:33 PM ET

    Advanced Micro Devices Inc. fell 6.3 percent to $2.24 with 56,007,000 shares traded. Apple Inc. rose 2.6 percent to $108.72 with 46,516,000 shares traded. Cisco Systems Inc. rose 1.4 percent to $28.07 with 33,360,500 shares traded.

  • The top iPhone and iPad apps on App Store Tuesday, 20 Jan 2015 | 1:28 PM ET

    4. Five Nights at Freddy's 2, Scott Cawthon. 5. Five Nights at Freddy's, Scott Cawthon. 2. Facebook Messenger, Facebook, Inc..

  • Amazon buys into wind energy Tuesday, 20 Jan 2015 | 12:58 PM ET

    Amazon announced a partnership with Pattern Energy to build a 150-megawatt wind farm in rural Indiana.

  • Has Facebook really created 4.5 million jobs? Tuesday, 20 Jan 2015 | 12:26 PM ET
    Facebook's Messenger app displayed on a smartphone.

    Facebook wants credit for helping create 4.5 million jobs in 2014. But some economists are throwing cold water on the estimates.

  • America's staggering mobility madness  Tuesday, 20 Jan 2015 | 11:51 AM ET

    Americans are now spending 60 percent of their digital media time on mobile. Gian Fulgoni, comScore co-founder, discusses the staggering numbers behind mobile growth, and which apps are generating the most users.

  • Facebook adds HOW MUCH to the economy?  Tuesday, 20 Jan 2015 | 11:43 AM ET

    According to a new study by Deloitte, Facebook created $227 billion in economic impact along with 4.5 million jobs last year, reports CNBC's Kayla Tausche.

  • Facebook has added HOW MUCH to the economy?! Tuesday, 20 Jan 2015 | 8:18 AM ET
    People are silhouetted as they pose with mobile devices in front of a screen projected with a Facebook logo in Zenica, Bosnia and Herzegovina, Oct. 29, 2014.

    Facebook generated over $200 billion in economic activity in 2014, according to a Deloitte & Touche report.

  • Early movers: MS, DAL, FB, JCP, HAL, T & more Tuesday, 20 Jan 2015 | 8:13 AM ET
    Traders on the floor of the New York Stock Exchange.

    Some of the names on the move ahead of the open.

  • SAN FRANCISCO, Jan 20- With 1.35 billion users of its Internet social network, Facebook Inc would rank as the world's second-most populous nation if it were a country. While its users may populate only a virtual country, Facebook says it generates a lot of real economic activity- $227 billion worth of economic impact and 4.5 million jobs in 2014, according to a new...

  • Twitter buys Indian mobile marketing start-up ZipDial Tuesday, 20 Jan 2015 | 1:02 AM ET

    Jan 20- Twitter Inc on Tuesday said it will buy Indian mobile phone marketing start-up ZipDial, reportedly for $30 million to $40 million, as the U.S. microblogging service looks to expand in the world's second-biggest mobile market. The start-up's clients include International Business Machines Corp, Yum! Techcrunch, citing unidentified sources, reported...

  • Face to Face: Arianna Huffington and Paulo Coelho Tuesday, 20 Jan 2015 | 12:00 AM ET
    Andrew Ross Sorkin, Arianna Huffington and Paulo Coelho at Davos

    This year, CNBC teamed up with Facebook to bring together some of the smartest minds at Davos to answer your questions.

  • Plaxo co-founder charged with murder Sunday, 18 Jan 2015 | 5:13 PM ET

    The co-founder of social networking startup Plaxo has been charged with first degree murder for killing his ex-wife's current husband.

  • Facebook hiring spree hints at virtual reality plans Sunday, 18 Jan 2015 | 8:01 AM ET
    In June, Oculus showcased its VR Rift Development Kit 2 headset at the E3 Electronic Entertainment Expo in Los Angeles.

    Virtual reality goggles, drones and data centers are all driving a hiring spree at Facebook that is set to swell its ranks as much as 14 percent.

  • SAN FRANCISCO/ SEATTLE, Jan 18- Virtual reality goggles, drones and data centers are all driving a hiring spree at Facebook Inc that is set to swell its ranks as much as 14 percent in the near term, according to a review of job listings on the company's website. Oculus Rift, the maker of virtual reality headsets that Facebook acquired in a $2 billion deal last year, is...

  • Small homes sell for big bucks in Palo Alto Friday, 16 Jan 2015 | 3:55 PM ET

    In the heart of Silicon Valley, there's been a big jump in the price of small houses.

  • Most active Nasdaq-traded stocks Friday, 16 Jan 2015 | 1:19 PM ET

    Advanced Micro Devices Inc. fell 5.2 percent to $2.39 with 29,801,800 shares traded. Apple Inc. fell. 8 percent to $105.99 with 77,449,900 shares traded. Cisco Systems Inc. rose 1.0 percent to $27.68 with 26,382,700 shares traded.

  • Mobile made $3.3 trillion, 11 million jobs in 2014 Friday, 16 Jan 2015 | 12:50 PM ET

    A new study finds that the mobile industry last year produced more than $3.3 trillion in revenue.

  • Social media = marketing  Friday, 16 Jan 2015 | 5:40 AM ET

    Social media shouldn't be considered as a fad and will become an increasingly important marketing tool, says Guy Kawasaki, author of "The Art of Social Media."

  • *India lawsuit has no effect on operations- Barra. BEIJING, Jan 16- China's Xiaomi Inc plans to invest in Indian tech start-ups and overseas media content, as the world's No.3 smartphone maker looks to dominate homes with its own TVs and appliances. "One area that we are also looking to make some investments in is start-ups in India.

  • OneWeb Ltd., which is designing the satellite system, said Thursday that chipmaker Qualcomm Inc. and Virgin Group, run by billionaire Sir Richard Branson, have signed on as investors in the company. Internet companies Facebook Inc. and Google Inc. have also announced plans to bring Internet service to those who lack access. OneWeb, which was founded in 2012 as...