shares of dentsply sirona inc xray slid 116 to 3844 friday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 077 to 434833 and dow jones industrial average djia falling 065 to 3372743 this was the stocks fourth consecutive day of losses dentsply sirona inc closed 480 short of its 52week high 4324 which the company reached on may 3rd despite its losses the stock outperformed some of its competitors friday as align technology inc algn fell 167 to 32883 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