shares of henry schein inc hsic advanced 120 to 8090 thursday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 045 to 439644 and the dow jones industrial average djia rising 080 to 3412242 henry schein inc closed 882 short of its 52week high 8972 which the company achieved on february 2nd the stock demonstrated a mixed performance when compared to some of its competitors thursday as stryker corp syk rose 075 to 30177 idexx laboratories inc idxx rose 064 to 49449 and mckesson corp mck rose 137 to 42088 trading volume 644799 remained 227090 below its 50day average volume of 871889 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