Benzinga's Volume Movers

Cyberonics Inc CYBX shares climbed 24.98% to $75.45. The volume of Cyberonics shares traded was 2592% higher than normal. Cyberonics and Sorin Group announced a $2.7 billion merger agreement. Cyberonics also reported better-than-expected Q3 earnings. AMAG Pharmaceuticals, Inc. AMAG shares rose 5.50% to $47.55. The volume of AMAG Pharmaceuticals shares traded was 904% higher than normal. AMAG Pharma priced a 3.98 million share public offering of common stock at $44 per share. PGT, Inc. PGTI shares moved up 20.90% to $10.24. The volume of PGT traded was 654% higher than normal. PGT reported upbeat Q4 sales and issued a strong sales forecast. Applied Optoelectronics, Inc. AAOI surged 6.56% to $11.20. The volume of Applied Optoelectronics shares traded 617% higher than normal. Applied Optoelectronics reported Q4 earnings of $0.27 per share.