
AP
FILE - In this July 6, 2011 file photo, Facebook CEO Mark Zuckerberg smiles during an announcement at Facebook headquarters in Palo Alto, Calif. A Facebook security flaw, revealed this week, allowed users to gain access to the billionaire businessman's private pictures. (AP Photo/Paul Sakuma, File)
Facebook sent out invitations to mysterious press event Tuesday, and its stock price rose 5 percent following the news.
The invitation was sent Wednesday to the media for an event on Tuesday at its Menlo Park headquarters. The invitation read, "Come see what we're building," and provided no other details. Facebook shares rose above $30 for the first time since July on the news.