shares of dentsply sirona inc xray shed 342 to 3928 thursday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 025 to 450189 and dow jones industrial average djia falling 019 to 3521589 this was the stocks third consecutive day of losses dentsply sirona inc closed 396 below its 52week high 4324 which the company reached on may 3rd the stock underperformed when compared to some of its competitors thursday as align technology inc algn fell 032 to 36624 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