shares of cerner corp cern dropped 017 to 9325 monday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 024 to 437394 and dow jones industrial average djia falling 049 to 3389260 cerner corp closed 019 below its 52week high 9344 which the company achieved on december 30th the stock demonstrated a mixed performance when compared to some of its competitors monday as 3m co mmm fell 124 to 14865 general electric co ge fell 089 to 9551 and mckesson corp mck rose 002 to 27496 trading volume 44 m remained 21 million below its 50day average volume of 65 m 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