Shares of Vertex Pharmaceuticals Inc.
slipped 0.13% to $196.02 Thursday, on what proved to be an all-around great trading session for the stock market, with the S&P 500 Index
rising 0.20% to 4,367.48 and the Dow Jones Industrial Average
rising 0.07% to 34,823.35. This was the stock's fourth consecutive day of losses. Vertex Pharmaceuticals Inc. closed $95.97 below its 52-week high ($291.99), which the company achieved on July 23rd.
The stock underperformed when compared to some of its competitors Thursday, as Johnson & Johnson
rose 0.29% to $169.98, Merck & Co. Inc.
rose 0.18% to $76.53, and AbbVie Inc.
rose 0.47% to $117.54. Trading volume (1.3 M) remained 1.1 million below its 50-day average volume of 2.4 M.