Take a look at some of Thursday's midday movers:
Amazon edged higher in extended-hours trading on news that the online retailer plans to open its first physical store in midtown Manhattan, across from the Empire State Building.
Symantec rose more than 2 percent in after-hours trade after the software maker announced that it will split itself into two publicly traded companies: one in security and one in information management.
Barracuda Networks gained nearly 6 percent in after-hours trade after the cloud-storage security firm posted total revenue increase of 19 percent from the previous quarter.
American International Group gained more than 3 percent before declining in extended-hours trade after Former Federal Reserve Chairman Ben Bernanke defended in court the U.S. government's bailout of the insurer during the 2008 financial crisis.
Citigroup edged higher in extended-hours trade on news that the bank's global markets unit will return nearly $16 million to more than 31,000 customers for overcharges, the New York attorney general said.
Family Dollar fell nearly 1 percent in after-hours trade after reporting earnings that missed expectations and revenue that beat estimates.
Apple edged lower in after-hours trade on news that activist investor Carl Icahn values shares at more thandouble their current price and urged the iPhone maker to make a tender offer for shares on the belief that the firm is undervalued.