Take a look at some of Friday's midday movers:
Expedia rose on strong second-quarter earnings. The news sent other travel sites up as well, including Priceline , TripAdvisor , Orbitz and Travelzoo.
Amarin and Horizon Pharma both fell after receiving FDA consent for potentially big-selling drugs. Amarin has tripled since December and Horizon has doubled over the last four months.
Sprint moved higher after UBS upgraded the stock to "buy" from "neutral." CNBC's Jim Cramer also praised the stock.
Goodyear and Cooper Tire and Rubber both gained ground after French tire maker Michelin reported a 37-percent increase in profit for the first half of the year.
Deckers Outdoor rose after the footwear maker’s earnings and revenue beat Street estimates.
Medifast surged to a 52-week high after the weight loss company reported better-than-expected earnings and raised its outlook.
Green Dot turned red after the provider of prepaid financial services missed analyst earnings expectations and lowered its full-year outlook.
Coinstar moved lower as revenues grew less than analysts expected.
Arch Coal moved higher despite a second-quarter loss as it was optimistic about its outlook.
Cerner fell after weak second-quarter bookings and modest third-quarter view.
QLogic plummeted after the company's quarterly results missed expectations. The company also lowered its guidance.
OCZ Technology jumped as takeover speculation for the company increased.
Molina Healthcare lost ground after the medicaid insurer posted a second-quarter loss.
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