• SAN FRANCISCO, Jan 29- Alibaba Group Holding Ltd's underwhelming holiday quarter performance and an escalating war of words with a powerful Chinese industry regulator highlight two major risks to its seemingly fairy-tale ascent: politics and the shift to mobile commerce. Now, Wall Street is cutting back on expectations in part because of fears that Chinese...

  • This will be huge for Twitter, says angel investor Thursday, 29 Jan 2015 | 2:06 PM ET

    When celebrities, politicians, journalists and writers start to post video on Twitter, it will go supernova, Jason Calacanis said.

  • How to sell your stuff for cash using Facebook Thursday, 29 Jan 2015 | 1:50 PM ET

    The Today Show's financial editor gives tips on how to use Facebook to make some extra cash, NBCNews reports.

  • Most active Nasdaq-traded stocks Thursday, 29 Jan 2015 | 1:23 PM ET

    Apple Inc. rose 3.1 percent to $118.90 with 82,494,000 shares traded. Cisco Systems Inc. rose 1.5 percent to $27.22 with 27,648,600 shares traded. Facebook Inc. rose 2.3 percent to $78.00 with 58,366,900 shares traded.

  • What the tech industry really looks like for women Thursday, 29 Jan 2015 | 12:14 PM ET
    A woman walks by at Google's Washington headquarters, in Washington, DC.

    Tech companies like Facebook and Google have released diversity figures to show a gender breakdown of their workforce.

  • Twitter video huge: Angel investor  Thursday, 29 Jan 2015 | 11:36 AM ET

    Jason Calacanis, CEO & Co-founder, Weblogs, defends Twitter CEO Dick Costolo, and gives reasons why he believes Twitter's venture into video will be a very big deal.

  • Facebook becomes new darling of the retail trader Thursday, 29 Jan 2015 | 10:12 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.

    The retail investor really loves Facebook's stock, continuing to pile into the shares in the new year, according to a look at retail accounts with TD Ameritrade.

  • Video Facebook's big opportunity: Pro  Thursday, 29 Jan 2015 | 10:11 AM ET

    Colin Sebastian, Sr. Research Analyst, Internet and Interactive Entertainment, Robert W. Baird & Co., discusses what's driving earnings at Facebook and how the company plans to dominate in the video space.

  • Early movers: MCD, F, DOW, BABA, COH & more Thursday, 29 Jan 2015 | 8:21 AM ET
    Trader on the floor of the New York Stock Exchange.

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

  • Amazon launches WorkMail to take on Microsoft Thursday, 29 Jan 2015 | 7:05 AM ET

    Amazon has launched a work email service in a bid to take on dominant player Microsoft on the office battleground.

  • Facebook flat after Street beat  Thursday, 29 Jan 2015 | 6:14 AM ET

    Facebook is trading at a "reasonable" level, says Daniel Ernst, Hudson Square Research, weighing in on Facebook's Q4 beat and its online video ad race.

  • Google to report as more analysts downgrade stock Thursday, 29 Jan 2015 | 6:00 AM ET
    The Google logo is displayed on the screen of an iPhone.

    Analysts' bearishness on Google increased this month for the first time in over a year amid concerns about slowing growth in search.

  • US earnings: 'Tech to the rescue'  Thursday, 29 Jan 2015 | 5:00 AM ET

    Caterpillar and 3Ms' poor earnings performance "spooked investors", however tech and healthcare are expected to save the earnings season, says Christine Short, senior vice president at Estimize.

  • Facebook's spending is scaring investors: Pro  Wednesday, 28 Jan 2015 | 9:35 PM ET

    Brad Gastwirth, CEO of ABR Investment Strategy, attributes the fall in Facebook shares overnight to concerns over an increase in spending, which is outpacing revenue growth.

  • Facebook's new challenge: sell Wall Street on spending Wednesday, 28 Jan 2015 | 8:21 PM ET

    SAN FRANCISCO, Jan 28- Facebook Inc's big spending plans are facing a tough reception on Wall Street. Facebook said on Wednesday that 2015 capital expenditures will range from $2.7 billion to $3.2 billion, a sharp increase from $1.83 billion in 2014.. The spending spree comes as Facebook faces intensifying competition with Twitter Inc, Google Inc and a host of...

  • Chinese app users: We want targeted ads Wednesday, 28 Jan 2015 | 6:34 PM ET
    Wechat's first AD appears in circle of friends on 26th January, 2015

    Targeted ads are the bane of social network users around the world. But in China, they are an object of desire.

  • 5 ways to play Facebook earnings Wednesday, 28 Jan 2015 | 6:33 PM ET
    The share price of Facebook stock is seen at the Nasdaq stock market in New York.

    Positive signs in Facebook's quarterly earnings report trump concerns about operating costs that sent shares lower, traders said.

  • Facebook shares fell despite meeting earnings estimate  Wednesday, 28 Jan 2015 | 6:32 PM ET

    The modest surprise in Facebook's quarterly earnings did not satisfy investors who were used to seeing "tremendous upside surprises" over the past years, says Evan Wilson, Senior Research Analyst for Internet & Games at Pacific Crest Securities.

  • A rosy future for Facebook and Twitter? Wednesday, 28 Jan 2015 | 5:19 PM ET

    Social media heavyweights Facebook and Twitter provide good opportunities for investors.

  • SAN FRANCISCO, Jan 28- Facebook Inc's revenue grew 49 percent in the fourth quarter, as mobile advertising growth helped the world's largest Internet social network beat Wall Street's targets for earnings and sales. Its success contrasts with other established Internet companies such as Google Inc and Yahoo Inc, which have struggled as advertisers shift...