Shares of Regeneron Pharmaceuticals Inc. /zigman2/quotes/203149337/composite REGN -1.09% rallied 1.47% to $655.01 Monday, on what proved to be an all-around mixed trading session for the stock market, with the Dow Jones Industrial Average /zigman2/quotes/210598065/realtime DJIA -0.82% rising 0.08% to 32,223.42 and the S&P 500 Index /zigman2/quotes/210599714/realtime SPX -0.88% falling 0.39% to 4,008.01. This was the stock's third consecutive day of gains. Regeneron Pharmaceuticals Inc. closed $92.41 short of its 52-week high ($747.42), which the company reached on April 8th.
The stock demonstrated a mixed performance when compared to some of its competitors Monday, as Johnson & Johnson /zigman2/quotes/201724570/composite JNJ +0.29% rose 0.70% to $178.08, Novartis AG ADR /zigman2/quotes/203243705/composite NVS -0.28% rose 2.32% to $87.81, and Amgen Inc. /zigman2/quotes/209157011/composite AMGN -0.87% rose 1.00% to $243.87. Trading volume (486,890) remained 185,085 below its 50-day average volume of 671,975.