Benzinga's Volume Movers (AVAV, CRDN, CHSI, CPWM)

AeroVironment Inc AVAV shares moved up 12.06% to $32.06 at 10:50 am. The volume of AVAV shares traded was 1582% higher than normal. AVAV reported better-than-expected Q3 earnings.

Ceradyne Inc CRDN shares rose 16.89% to $45.41. The volume of CRDN shares traded was 673% higher than normal. CRDN lifted projections for 2011.

Catalyst Health Solutions Inc CHSI shares climbed 17.79% to $52.45. The volume of CHSI shares traded was 621% higher than normal. Walgreen WAG announced its plans to sell the pharmacy-benefit management business to CHSI for $525 million in cash.

Cost Plus Inc CPWM shares gained 13.40% to $10.41. The volume of CPWM shares traded was 479% higher than normal. CPWM reported a 7.1% year-over-year surge in its Q4 net sales.

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