• Facebook's Closed Social Search  Tuesday, 15 Jan 2013 | 1:22 PM ET

    CNBC's "Power Lunch" crew discusses Facebook's closed social search, and what it means for the stock.

  • Facebook volume surges as the company announces its new social search, with David Kirkpatrick, author of "The Facebook Effect."

  • Facebook Announces 'Knowledge Graph Search'  Tuesday, 15 Jan 2013 | 1:12 PM ET

    Scott Wapner has the breaking news on a highly-awaited announcement from Facebook. (2:17)

  • Facebook's new Graph Search icon

    Facebook's Mark Zuckerberg unveiled the social media giant's next big idea -- social search. Would he ever work with Google? Here's what he had to say.

  • Facebook's Announcement Any Minute  Tuesday, 15 Jan 2013 | 1:02 PM ET

    David Kirkpatrick, author of "The Facebook Effect," says Facebook could be announcing something to do with mobile or search.

  • Facebook Missing Opportunities: Porter Bibb Tuesday, 15 Jan 2013 | 12:51 PM ET

    Expect Facebook's mystery announcement to disappoint, venture capitalist Porter Bibb says.

  • Facebook's Missing Opportunities: Porter Bibb  Tuesday, 15 Jan 2013 | 12:20 PM ET

    Expect an "underwhelming announcement" from Facebook, Porter Bibb of Media Tech Capital Partners says.

  • Facebook Rises Ahead of Event  Tuesday, 15 Jan 2013 | 12:15 PM ET

    In just under an hour, Facebook will unveil what it's been "building," reports CNBC's Julia Boorstin; and its stock is up nearly 60 percent over the past 3 months, with Porter Bibb, Media Tech Capital Partners.

  • What's Behind Facebook's Big Reveal?  Tuesday, 15 Jan 2013 | 11:56 AM ET

    Dennis Berman, Wall Street Journal, provides a look at what Facebook could possibly be up to now.

  • Prepare for a Big Letdown From Facebook, Analyst Says Tuesday, 15 Jan 2013 | 11:39 AM ET
    Facebook sign in Menlo Park, California.

    Facebook's mystery announcement on Tuesday may not live up to its advance billing, one analyst told CNBC on Tuesday.

  • Facebook's Big Unveiling  Tuesday, 15 Jan 2013 | 11:04 AM ET

    CNBC's Julia Boorstin reports CEO Mark Zuckerberg is expected to take the stage at Facebook's mystery event. Also, a look at closet indexing and Facebook, with CNBC's Gary Kaminsky.

  • Pisani: Imagine You Are Michael Dell Tuesday, 15 Jan 2013 | 9:51 AM ET
    Michael Dell

    It will be less painful, and less embarrassing, for Dell to sell off its pieces while it is private, but the fact that the stock price is down and financing is cheap is not a sufficient reason to go private.

  • Futures Decline Amid Debt Ceiling, Earnings Worries Tuesday, 15 Jan 2013 | 9:12 AM ET

    U.S. stock index futures edged lower Tuesday as investors worried over the ongoing debate in Washington over raising the debt ceiling and ahead of what is expected to be a lackluster earnings season.

  • Tuesday Market Roadmap  Tuesday, 15 Jan 2013 | 9:00 AM ET

    The "Squawk on the Street" news crew discusses the market moving stories of the day, including a credit warning from Fitch if the debt ceiling is delayed; speculation on Facebook's secret "announcement;" and Dell's attempt to go private.

  • What is Facebook Building?  Tuesday, 15 Jan 2013 | 8:02 AM ET

    CNBC's Julia Boorstin reports on speculation surrounding Facebook's major announcement later today and the likelihood it will involve making money on mobile.

  • Early Movers: LEN, FRX, LULU & More Tuesday, 15 Jan 2013 | 7:51 AM ET

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

  • Speculation Grows Over Facebook's Mystery Event  Tuesday, 15 Jan 2013 | 7:15 AM ET

    Gene Munster, Piper Jaffray analyst, explains why he still views shares of Facebook positively, as the stock moves higher on speculation about today's "major announcement."

  • Stocks Looking Beyond Debt Ceiling, for Now Monday, 14 Jan 2013 | 8:58 PM ET

    Stocks are so far looking past the brewing congressional debt ceiling drama but that could change quickly if it becomes very contentious.

  • A Few Facebook Surprises for 2013: Fishelson Monday, 14 Jan 2013 | 5:52 PM ET

    Expect Facebook to acquire Netflix in 2013, Dynalink Telecommunications CEO Larry Fishelson says.

  • Facebook's Investor on Mystery Event  Monday, 14 Jan 2013 | 5:15 PM ET

    CNBC's Julia Boorstin reports on Facebook's mystery event happening on Tuesday; and Larry Fishelson, Dynalink Telecommunications CEO, discusses what shareholders are expecting from the company's future.