shares of mckesson corp mck slid 129 to 22193 monday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 000 to 468280 and dow jones industrial average djia falling 004 to 3608745 the stocks fall snapped a threeday winning streak mckesson corp closed 588 below its 52week high 22781 which the company reached on november 5th the stock demonstrated a mixed performance when compared to some of its competitors monday as cerner corp cern fell 147 to 7391 amerisourcebergen corp abc fell 073 to 12442 and cardinal health inc cah fell 191 to 5046 trading volume 960671 eclipsed its 50day average volume of 757744 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