The stock underperformed when compared to some of its competitors Wednesday, as Roche Holding AG Part. Cert.
rose 2.89% to $333.05, Merck & Co. Inc.
rose 0.67% to $92.51, and Pfizer Inc.
rose 0.55% to $50.94. Trading volume (7.0 M) remained 746,315 below its 50-day average volume of 7.8 M.