Benzinga's Volume Movers

shares rose 24.07 percent to $33.50. The volume of Radius Health shares traded was 638 percent higher than normal. Radius Health shares have dropped 42.64 percent over the past 52 weeks, while the S&P 500 index has declined 9.10 percent in the same period.

shares climbed 4.99 percent to $12.63. The volume of Alliance Fiber Optic Products shares traded was 135 percent higher than normal. Alliance Fiber Optic Products' PEG ratio is 0.42.

shares moved up 1.80 percent to $45.79. The volume of Mellanox Technologies traded was 133 percent higher than normal. Mellanox Technologies shares have slipped 1.79 percent over the past 52 weeks, while the S&P 500 index has dropped 9.10 percent in the same period.

surged 7.88 percent to $88.81. The volume of WellCare Health Plans shares traded was 131 percent higher than normal. JP Morgan upgraded WellCare Health Plans from Neutral to Overweight and raised the price target from $80.00 to $114.00.