Benzinga's Volume Movers

shares climbed 7.09 percent to $23.65. The volume of Dermira shares traded was 2633 percent higher than normal. Dermira priced upsized offering of 4,500,000 shares at $21.50 per share.

surged 5.95 percent to $55.70. The volume of Caesarstone Sdot-Yam shares traded 836 percent higher than normal. On Wednesday, Caesarstone reported Q2 adjusted earnings of $0.65 per share on revenue of $127.5 million.

shares moved up 16.52 percent to $28.14. The volume of Hortonworks traded was 552 percent higher than normal. Hortonworks reported stronger-than-expected Q2 results.

shares rose 10.47 percent to $20.99. The volume of Applied Optoelectronics shares traded was 535 percent higher than normal. Applied Optoelectronics reported better-than-expected Q2 earnings and issued a strong Q3 forecast.