Take a look at some of Friday's midday movers:
Aéropostale - The teen retailer plunged after reporting its seventh consecutive quarterly decline in comparable sales, with Morgan Stanley questioning the company's ability to remain a going concern even through the next year.
Aruba Networks - The maker of wireless-network equipment declined sharply after tallying third-quarter adjusted gross margin below expectations.
Covisint - The provider of a cloud-engagement platform fell after Pacific Crest downgraded its shares to "sector perform" from "outperform."
GameStop - The video-game retailer advanced after posting first-quarter adjusted earnings that topped estimates.
Hewlett-Packard - The personal computer maker jumped a day after saying it would cut as many as 16,000 more jobs. At least four brokerages hiked their price targets on the company's stock.
New York & Company - The women's apparel retailer fell a day after reporting a first-quarter loss of $282,000.
RetailMeNot - Shares of the digital coupon marketplace declined after Stifel downgraded its shares to "hold" from "buy."
St. Joe - The real estate developer jumped after Raymond James upgraded its shares to "outperform" from "market perform."
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—By CNBC's Kate Gibson
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