Benzinga's Volume Movers

shares climbed 33.22 percent to $10.24. The volume of PMC-Sierra shares traded was 8768 percent higher than normal. PMC-Sierra agreed to be acquired by

for $10.50 per share.

surged 10.82 percent to $56.83. The volume of DuPont shares traded was 665 percent higher than normal. DuPont reported that its CEO Ellen Kullman is stepping down.

shares moved up 4.30 percent to $64.05. The volume of Mallinckrodt traded was 134 percent higher than normal. Mallinckrodt expects fiscal 2016 adjusted earnings of $7.70 to $8.20 per share.

shares rose 8.91 percent to $22.50. The volume of Exterran Holdings shares traded was 124 percent higher than normal. Exterran Holdings reported that it has reached financing arrangements to move forward with the planned spin-off of international services and global fabrication businesses through an all secured financing structure.