Benzinga's Volume Movers

QLogic Corporation QLGC surged 10.27 percent to $14.93. The volume of QLogic shares traded was 2369 percent higher than normal. Cavium Inc CAVM announced plans to buy QLogic for about $1.36 billion. EXACT Sciences Corporation EXAS shares moved up 12.86 percent to $10.53. The volume of EXACT Sciences traded was 901 percent higher than normal. Craig-Hallum upgraded Exact Sciences from Hold to Buy. Amsurg Corp AMSG shares climbed 4.41 percent to $80.92. The volume of Amsurg shares traded was 392 percent higher than normal. Envision Healthcare Holdings Inc EVHC and Amsurg reported that they would merge in an all-stock deal. Nu Skin Enterprises, Inc. NUS shares rose 9.76 percent to $44.66. The volume of Nu Skin Enterprises shares traded was 214 percent higher than normal. Nu Skin reported a $210 million strategic investment from Ping An ZQ China Growth Opportunity Limited.