Benzinga's Volume Movers

shares climbed 54.89 percent to $28.50. The volume of KaloBios Pharmaceuticals shares traded was 673 percent higher than normal. KaloBios Pharmaceuticals shares dropped 53.42 percent on Tuesday.

shares rose 2.89 percent to $24.90. The volume of Delhaize Group shares traded was 483 percent higher than normal. Delhaize shares have jumped 31.09 percent over the past 52 weeks, while the S&P 500 index has gained 0.79 percent in the same period.

surged 16.34 percent to $46.94. The volume of Computer Programs & Systems shares traded was 251 percent higher than normal. Computer Programs announced plans to acquire Healthland for $250 million and announced expansion of its senior management team.

shares moved up 2.34 percent to $78.13. The volume of Deere & Company traded was 238 percent higher than normal. Deere reported better-than-expected earnings for its fiscal fourth quarter