shares of mckesson corp mck slipped 026 to 41318 monday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 040 to 455464 and the dow jones industrial average djia rising 052 to 3541124 this was the stocks second consecutive day of losses mckesson corp closed 1657 below its 52week high 42975 which the company reached on june 30th the stock demonstrated a mixed performance when compared to some of its competitors monday as amazoncom inc amzn fell 092 to 12880 unitedhealth group inc unh rose 042 to 50868 and cvs health corp cvs rose 120 to 7595 trading volume 414993 remained 375832 below its 50day average volume of 790825 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