Check out which companies are making headlines after the bell Thursday:
Zynga - The social gaming company cut its outlook for the full year and posted preliminary third-quarter results in the range of break-even to a loss of 1 cent a share. Analysts expected the company to break even.
Shares tumbled after being temporarily halted in extended-hours trading. Facebook also traded lower after-hours.
"The third quarter of 2012 continued to be challenging and, while many of our games performed to plan, as a whole we did not execute to our satisfaction," CEO Mark Pincus said in a statement. "We're addressing these near-term challenges by implementing targeted cost reductions in the fourth quarter and rationalizing our product R&D pipeline to reflect our strategic priorities." (Click here for after-hours quotes.)
(Read More: S&P Logs 4-Day Win Streak, All S&P Sectors Up)
Cisco Systems - The tech company promoted executives Rob Lloyd and Gary Moore as co-presidents. (Click here for after-hours quote.)
Credit Suisse assumed coverage on Dollar Tree and Family Dollar with an "outperform" rating and Dollar General with a "neutral" rating. Shares of all three companies edged higher in extended-hours trading. (Click here for after-hours quotes.)
Annie's - The natural and organic food company was initiated with a "neutral" rating at Janney Capital. (Click here for after-hours quote.)
(Read More:CNBC's Market Insider Blog)
—By CNBC’s JeeYeon Park (Follow JeeYeon on Twitter: @JeeYeonParkCNBC)
Questions? Comments? Email us at marketinsider@cnbc.com