Shares of Merck & Co. Inc. MRK, -1.77% slid 1.77% to $72.80 Monday, on what proved to be an all-around poor trading session for the stock market, with the S&P 500 Index SPX, -0.08% falling 0.08% to 4,226.52 and Dow Jones Industrial Average DJIA, -0.36% falling 0.36% to 34,630.24. The stock’s fall snapped a three-day winning streak. Merck & Co. Inc. closed $10.91 below its 52-week high ($83.71), which the company achieved on September 3rd.
The stock underperformed when compared to some of its competitors Monday, as Johnson & Johnson JNJ, -0.68% fell 0.68% to $164.84, Roche Holding AG Part. Cert. RHHVF, +3.22% rose 3.22% to $365.00, and Pfizer Inc. PFE, -0.41% fell 0.41% to $38.99. Trading volume (16.7 M) eclipsed its 50-day average volume of 11.1 M.