shares of henry schein inc hsic slid 217 to 7578 wednesday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 107 to 440027 and dow jones industrial average djia falling 108 to 3496069 the stocks fall snapped a threeday winning streak henry schein inc closed 767 below its 52week high 8345 which the company achieved on may 10th the stock underperformed when compared to some of its competitors wednesday as idexx laboratories inc idxx fell 017 to 67694 mckesson corp mck fell 167 to 19972 and amerisourcebergen corp abc fell 195 to 11858 trading volume 413232 remained 356605 below its 50day average volume of 769837 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