Benzinga's Volume Movers

Thoratec Corporation THOR shares climbed 12.33 percent to $54.83. The volume of Thoratec shares traded was 1246 percent higher than normal. The rise in the shares may be attributed to unconfirmed market chatter of potential St. Jude Medical, Inc. STJ bid. Sanmina Corp SANM surged 11.35 percent to $21.19. The volume of Sanmina shares traded 569 percent higher than normal. Sanmina reported upbeat Q3 results. Masimo Corporation MASI shares moved up 4.16 percent to $40.29. The volume of Masimo traded was 518 percent higher than normal. Masimo reported preliminary Q2 product sales of $147 million to $147 million, total sales of $155 million to $156 million and GAAP earnings of $0.35 to $0.36 per share. PowerSecure International, Inc. POWR shares rose 5.98 percent to $16.41. The volume of PowerSecure International shares traded was 245 percent higher than normal. PowerSecure announced an addition of $40 million in new business awards. Stephens & Co. initiated coverage on PowerSecure International with a Overweight rating and a $20.00 price target.