Stocks Hitting 52-Week Highs

Intuitive Surgical, Inc. ISRG shares reached a new 52-week high of $560.65 after the company reported upbeat Q2 results. Thoratec Corporation THOR shares gained 9.45 percent to touch a new 52-week high of $63.02 after the company agreed to be acquired by St. Jude Medical, Inc. STJ for $3.4 billion. Thermo Fisher Scientific Inc. TMO shares reached a new 52-week high of $140.70 after the company reported upbeat Q2 earnings and raised its FY15 guidance. Abbott Laboratories ABT shares rose 2.17 percent to touch a new 52-week high of $50.84 after the company reported better-than-expected Q2 profit.