shares of align technology inc algn slipped 301 to 68961 wednesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 082 to 464671 and dow jones industrial average djia falling 066 to 3607994 the stocks fall snapped a sevenday winning streak align technology inc closed 4784 below its 52week high 73745 which the company achieved on september 23rd the stock underperformed when compared to some of its competitors wednesday as danaher corp dhr rose 095 to 30203 3m co mmm rose 060 to 18242 and dentsply sirona inc xray fell 007 to 5573 trading volume 640395 eclipsed its 50day average volume of 633753 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