Benzinga's Volume Movers

TESARO Inc TSRO surged 110.16 percent to $78.20. The volume of TESARO shares traded was 5910 percent higher than normal. TESARO reported that its drug niraparib significantly improved progression-free survival for patients with ovarian cancer.
Diamond Resorts International Inc DRII shares moved up 23.72 percent to $29.78. The volume of Diamond Resorts traded was 5426 percent higher than normal. Diamond Resorts reported a deal to be purchased by affiliates of certain funds managed by affiliates of Apollo Global Management LLC APO at $30.25 per share in cash.
PrivateBancorp Inc PVTB shares climbed 22.46 percent to $44.00. The volume of PrivateBancorp shares traded was 3424 percent higher than normal. Canadian Imperial Bank of Commerce (USA) CM revealed it struck a definitive agreement to buy PrivateBancorp and its subsidiary, The PrivateBank, for $47.00 a share.
Clovis Oncology Inc CLVS shares rose 17.05 percent to $14.46. The volume of Clovis Oncology shares traded was 570 percent higher than normal. Clovis Oncology shares have tumbled 85.61 percent over the past 52 weeks, while the S&P 500 index has slipped 1.99 percent in the same period.