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Facebook shares are selling off on its "graph search" announcement, with David Fitzpatrick, author of "The Facebook Effect, and the CNBC's "Power Lunch" crew.
Facebook's big announcement was ... a social search feature that will allow users to search their friends' content.
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."
Scott Wapner has the breaking news on a highly-awaited announcement from Facebook. (2:17)
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.
David Kirkpatrick, author of "The Facebook Effect," says Facebook could be announcing something to do with mobile or search.
Expect Facebook's mystery announcement to disappoint, venture capitalist Porter Bibb says.
Expect an "underwhelming announcement" from Facebook, Porter Bibb of Media Tech Capital Partners says.
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.
Dennis Berman, Wall Street Journal, provides a look at what Facebook could possibly be up to now.
Facebook's mystery announcement on Tuesday may not live up to its advance billing, one analyst told CNBC on Tuesday.
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.
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.
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.
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.
CNBC's Julia Boorstin reports on speculation surrounding Facebook's major announcement later today and the likelihood it will involve making money on mobile.
Some of the names on the move ahead of the open.
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 are so far looking past the brewing congressional debt ceiling drama but that could change quickly if it becomes very contentious.