Benzinga's Volume Movers

EZchip Semiconductor Ltd (NASDAQ: EZCH) shares rose 2.73 percent to $25.22. The volume of EZchip Semiconductor shares traded was 2192 percent higher than normal. EZchip Semiconductor's largest shareholder, Raging Capital Management, LLC, announced its support for EZchip/Mellanox merger.

Dynavax Technologies Corporation (NASDAQ: DVAX) surged 16.87 percent to $24.75. The volume of Dynavax Technologies shares traded was 1635 percent higher than normal. Dynavax reported that both co-primary endpoints met in top line Heplisav-B Phase 3 results.

Uniqure NV (NASDAQ: QURE) shares moved up 11.80 percent to $16.67. The volume of Uniqure traded was 604 percent higher than normal. Uniqure reported preliminary topline results from low-dose cohort in Hemophilia B Phase I/II gene therapy clinical trial.

Zumiez Inc. (NASDAQ: ZUMZ) shares climbed 19.73 percent to $18.06. The volume of Zumiez shares traded was 286 percent higher than normal. Zumiez raised its guidance for the fourth quarter. The company's comparable sales slipped 8.9 percent for December.