shares of dentsply sirona inc xray shed 406 to 3589 tuesday on what proved to be an allaround mixed trading session for the stock market with the dow jones industrial average djia rising 031 to 3373396 and the sp 500 index spx falling 007 to 401695 the stocks fall snapped a twoday winning streak dentsply sirona inc closed 2281 below its 52week high 5870 which the company reached on february 25th the stock underperformed when compared to some of its competitors tuesday as align technology