Benzinga's Volume Movers

Riverbed Technology

shares climbed 9.16% to $20.46. The volume of Riverbed Technology shares traded was 1305% higher than normal. Riverbed agreed to be acquired by Thoma Bravo for $21 per share in cash. Cirrus Logic

surged 18.37% to $22.30. The volume of Cirrus Logic shares traded 1023% higher than normal. Barclays upgraded Cirrus Logic from Underweight to Overweight and raised the price target to $28 from $18. PetSmart

shares rose 4.27% to $80.99. The volume of PetSmart shares traded was 745% higher than normal. PetSmart agreed to be acquired by BC Partners for $83.00 per share in cash. Regal Beloit

shares moved up 5.69% to $72.27. The volume of Regal Beloit traded was 411% higher than normal. Regal Beloit shares surged following the power transmission purchase from Emerson Electric.