Check out which companies are making headlines after the bell Thursday:
Aeropostale - The casual-apparel retailer reported a loss of $70 million in the fourth quarter and projected a first-quarter loss of 70 cents to 75 cents a share. It plans to close 50 Aeropostale Stores and two P.S. stores. Its shares dropped more than 12 percent in after-hours trading.
Raptor Pharmaceuticals - Shares of the development-stage biotechnology company declined nearly 12 percent in after-hours trading after it reported fourth-quarter results.
Amazon.com - The online retailer continued to rise in heavy, after-hours trading volume after it disclosed it was hiking the price of its Prime membership.