shares of regeneron pharmaceuticals inc regn inched 011 higher to 80886 wednesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 001 to 415452 and dow jones industrial average djia falling 023 to 3389701 regeneron pharmaceuticals inc closed 2869 below its 52week high 83755 which the company achieved on april 5th the stock demonstrated a mixed performance when compared to some of its competitors wednesday as amgen inc amgn rose 005 to 24621 moderna inc mrna rose 013 to 14282 and gilead sciences inc gild rose 039 to 8411 trading volume 352610 remained 238938 below its 50day average volume of 591548 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