Morning Market Movers

Peregrine Semiconductor (NASDAQ: PSMI) surged 61.40% to $12.41 after Murata Electronics North America announced its plans to acquire Peregrine Semiconductor for $12.50 per share in cash.Emerson Radio (NYSE: MSN) rose 23.30% to $1.97 after the company declared an extraordinary cash dividend of $0.70 per common share.Aastrom Biosciences (NASDAQ: ASTM) climbed 15.38% to $4.20 after the company announced results from Phase 2 clinical trials published in Circulation Research.Dynegy (NYSE: DYN) shares jumped 15.07% to $34.20 after the company announced its plans to acquire assets from Duke Energy (NYSE: DUK) and Energy Capital Partners for a total consideration of $6.25 billion.CHC Group (NYSE: HELI) shares gained 14.54% to $7.09. CHC Group reported that Clayton, Dubilier & Rice will invest $500 million in CHC Group.The Fresh Market (NASDAQ: TFM) shares surged 9.27% to $33.25 after the company reported better-than-expected Q2 earnings. Analysts at BB&T Capital upgraded Fresh Market from Hold to Buy.GameStop (NYSE: GME) gained 8.28% to $43.84 after the company reported upbeat results for its fiscal second-quarter.Ross Stores (NASDAQ: ROST) climbed 6.40% to $73.68 after the company reported stronger-than-expected Q2 earnings.Qunar Cayman Islands (NASDAQ: QUNR) shares rose 5.23% to $30.56 after the company reported Q2 results.Foot Locker (NYSE: FL) shares jumped 3.99% to $54.67 after the company reported stronger-than-expected fiscal second-quarter results.