Take a look at some of Friday's midday movers:
Facebook tumbled to hit new lows, hurt by several downbeat reports from analysts. Analyst concerns ranged from advertising revenue to the end of lockup periods when insiders could flood the market with addition stock sales. Shares of the social media giant fell to less than half its IPO in May.
Zynga , which gets the bulk of its revenue from Facebook, also traded lower.
Gold and gold stocks including Newmont Mining, Barrick Gold, NovaGoldResources,Goldcorp and Freeport McMoran Copper & Gold traded higher following comments by Fed Chairman Ben Bernanke in Jackson Hole, Wyo.
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American Airlines parent AMR and US Airways said in a statement they are exploring a possible merger. US Airways gained some altitude following the report.
Wal-Mart is testing an iPhone app that would allow shoppers to scan items while shopping and pay at the self-checkout counter, according to Reuters.
—By CNBC's Lori Spechler.
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