shares of mckesson corp mck slid 161 to 38896 tuesday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 024 to 428385 and the dow jones industrial average djia rising 003 to 3357328 mckesson corp closed 1282 below its 52week high 40178 which the company reached on november 4th the stock demonstrated a mixed performance when compared to some of its competitors tuesday as amazoncom inc amzn rose 105 to 12661 unitedhealth group inc unh fell 213 to 48757 and cvs health corp cvs fell 033 to 7051 trading volume 560600 remained 413739 below its 50day average volume of 974339 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