shares of mckesson corp mck slid 189 to 27353 thursday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 181 to 450408 and dow jones industrial average djia falling 147 to 3524159 the stocks fall snapped a threeday winning streak mckesson corp closed 920 below its 52week high 28273 which the company reached on february 9th the stock demonstrated a mixed performance when compared to some of its competitors thursday as cerner corp cern fell 014 to 9220 amerisourcebergen corp abc fell 097 to 14154 and cardinal health inc cah fell 215 to 5281 trading volume 16 m eclipsed its 50day average volume of 11 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