NEW YORK ( TheStreet) -- Facebook ( FB) was one of tech's big movers in premarket trading as investors responded to the ongoing fallout from the social networking giant's eventful initial public offering last week. Shares of the Palo Alto, Calif.-based tech giant fell 1.67% to $32.48 before market open. Facebook was also one of the most active Nasdaq stocks on share volume of 386,779. Apple ( AAPL) was another active Nasdaq stock. The iPhone maker's shares slipped 0.25% to $563.88 on share volume of 98,634 . Microsoft ( MSFT) shares crept up 0.31% to $29.16 following media reports that NBCUniversal is in talks to buy the software giant's stake in their MSNBC.com joint venture. Citing several sources with knowledge of the situation, Adweek reported that negotiations have progressed to the stage where Comcast ( CMCSA) , NBCUniversal's majority owner, is conducting due diligence. Dell ( DELL), which announced that it has clinched its acquisition of cloud specialist Wyse Technology early on Friday, was flat at $12.45 before market open. Tech titan HP ( HPQ), which reported strong second-quarter results earlier this week, was off 1.42% at $21.46. --Written by James Rogers in New York. >To follow the writer on Twitter, go to http://twitter.com/jamesjrogers. >To submit a news tip, send an email to: email@example.com. Check out our new tech blog, Tech Trends. Follow TheStreet Tech on your wireless devices.