Benzinga's Volume Movers

shares climbed 30.19 percent to $30.83. The volume of MedAssets shares traded was 3245 percent higher than normal. MedAssets agreed to be acquired by Pamplona Capital Management for $2.7 billion.

shares rose 31.49 percent to $36.20. The volume of Dyax shares traded was 2093 percent higher than normal. Dyax agreed to be acquired by

for $5.9 billion.

surged 22.34 percent to $31.93. The volume of Constant Contact shares traded was 1753 percent higher than normal. Constant Contact agreed to be acquired by

for $1.1 billion.

shares moved up 7.66 percent to $28.48. The volume of Cellectis traded was 289 percent higher than normal.