NEW YORK ( TheStreet) -- Facebook ( FB) shares gained almost 3% in premarket trading on Wednesday after CEO Mark Zuckerberg indicated he has no plans to sell any of his stock holdings for at least 12 months. Shares of the social networking phenomenon, which closed down 1.82% on Tuesday, rose 2.77% to $18.22 before market open. Facebook was also one of the most active premarket Nasdaq stocks on share volume of 709,347. In a regulatory filing on Tuesday, Facebook also said it plans to temporarily waive some restrictions on certain employee stock sales for a short period following its third-quarter results next month. Apple ( AAPL) shares crept up 0.14% to $675.9 on Wednesday, a day after the company sent out invites for a major product event on Sept. 12. The Cupertino, Calif.-based tech giant looks likely to debut its eagerly anticipated iPhone 5 at the glitzy San Francisco event. TheStreet, which will be in attendance, will be live-blogging all the speeches and product introductions. Sirius XM ( SIRI) was another modest gainer, rising 0.39% to $2.55. Shares of Amazon ( AMZN), which hosts a major press event in Santa Monica, Calif., on Thursday, were flat at $247.89. TheStreet will be live-blogging the event, which is expected to mark the debut of a new Kindle Fire. --Written by James Rogers in New York. Follow @jamesjrogers >To submit a news tip, send an email to: email@example.com.