shares of henry schein inc hsic slid 108 to 8638 monday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 024 to 437394 and dow jones industrial average djia falling 049 to 3389260 the stocks fall snapped a threeday winning streak henry schein inc closed 117 short of its 52week high 8755 which the company achieved on february 25th the stock underperformed when compared to some of its competitors monday as idexx laboratories inc idxx rose 189 to 53235 mckesson corp mck rose 002 to 27496 and amerisourcebergen corp abc rose 043 to 14253 trading volume 11 m eclipsed its 50day average volume of 973248 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