Benzinga's Volume Movers By: Benzinga via Benzinga July 22, 2015 at 10:33 AM EDT Thoratec Corporation (NASDAQ: THOR) shares climbed 9.55 percent to $63.08. The volume of Thoratec shares traded was 1246 percent ... Read More >> Related Stocks: Chipotle Mexican Grill Dynavax Technologies Intuitive Surgical St. Jude Medical