Benzinga's Volume Movers

shares climbed 36.76 percent to $79.95. The volume of IPC Healthcare shares traded was 2469 percent higher than normal.

announced its plans to buy IPC Healthcare in a $1.6 billion deal.

surged 17.17 percent to $12.83. The volume of Rudolph Technologies shares traded 406 percent higher than normal. Rudolph Technologies reported better-than-expected Q2 results.

shares moved up 15.19 percent to $19.94. The volume of Luminex traded was 361 percent higher than normal. Luminex reported upbeat Q2 results.

shares rose 13.54 percent to $87.88. The volume of ABIOMED shares traded was 342 percent higher than normal. ABIOMED reported stronger-than-expected Q1 results.