Benzinga's Volume Movers

shares climbed 6.55 percent to $113.90. The volume of GW Pharmaceuticals shares traded was 976 percent higher than normal. GW Pharmaceuticals reported positive proof of concept data in schizophrenia.

surged 3.15 percent to $29.16. The volume of China Eastern Airlines shares traded 4194 percent higher than normal. China Eastern Airlines' trailing-twelve-month ROE is 22.94 percent.

shares moved up 7.79 percent to $10.24. The volume of Tetraphase Pharmaceuticals traded was 236 percent higher than normal. Tetraphase Pharmaceuticals shares have dropped 44.22 percent over the past 52 weeks, while the S&P 500 index has declined 2.30 percent in the same period.

shares rose 11.75 percent to $13.12. The volume of Gray Television shares traded was 86 percent higher than normal. Gray Television agreed to acquire all of the television and radio stations of Schurz Communications, Inc. for around $442.5 million.