shares of align technology inc algn inched 045 higher to 20459 tuesday on what proved to be an allaround mixed trading session for the stock market with the dow jones industrial average djia rising 011 to 3324156 and the sp 500 index spx falling 040 to 382925 this was the stocks second consecutive day of gains align technology inc closed 47030 short of its 52week high 67489 which the company achieved on december 31st trading volume 729889 remained 395985 below its 50day average volume of 11 m 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