shares of illumina inc ilmn dropped 046 to 21967 tuesday on what proved to be an allaround mixed trading session for the stock market with the sp 500 index spx rising 025 to 400105 and the dow jones industrial average djia falling 026 to 3216074 this was the stocks fourth consecutive day of losses illumina inc closed 30633 short of its 52week high 52600 which the company achieved on august 16th the stock underperformed when compared to some of its competitors tuesday as thermo fisher scientific inc tmo rose 171 to 52623 danaher corp dhr rose 045 to 24045 and agilent technologies inc a rose 312 to 11664 trading volume 20 m eclipsed its 50day average volume of 874996 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