shares of regeneron pharmaceuticals inc regn rallied 145 to 75093 monday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 096 to 380680 and the dow jones industrial average djia rising 131 to 3282700 this was the stocks second consecutive day of gains regeneron pharmaceuticals inc closed 1366 below its 52week high 76459 which the company achieved on november 1st the stock demonstrated a mixed performance when compared to some of its competitors monday as johnson  johnson jnj rose 087 to 17298 novartis ag adr nvs rose 011 to 8181 and amgen inc amgn rose 297 to 27702 trading volume 598931 remained 223017 below its 50day average volume of 821948 editors note this story was autogenerated by automated insights an automation technology provider using data from dow jones and factset see our market data terms of use