shares of regeneron pharmaceuticals inc regn rose 172 to 75761 friday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 022 to 409046 and the dow jones industrial average djia rising 050 to 3386927 the stocks rise snapped a fourday losing streak regeneron pharmaceuticals inc closed 4287 below its 52week high 80048 which the company achieved on february 6th the stock demonstrated a mixed performance when compared to some of its competitors friday as amgen inc amgn rose 104 to 24250 moderna inc mrna rose 292 to 16928 and gilead sciences inc gild rose 137 to 8670 trading volume 606837 remained 63247 below its 50day average volume of 670084 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