The stock demonstrated a mixed performance when compared to some of its competitors Wednesday, as Roche Holding AG Part. Cert.
rose 5.70% to $331.00, Merck & Co. Inc.
rose 1.10% to $86.78, and Pfizer Inc.
rose 0.77% to $44.43. Trading volume (8.6 M) eclipsed its 50-day average volume of 7.1 M.