shares of illumina inc ilmn advanced 265 to 20644 tuesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 020 to 399097 and dow jones industrial average djia falling 114 to 3391085 this was the stocks second consecutive day of gains illumina inc closed 19567 short of its 52week high 40211 which the company achieved on january 18th the stock outperformed some of its competitors tuesday as laboratory corp of america holdings lh rose 121 to 25476 charles river laboratories international inc crl rose 168 to 23653 and quest diagnostics inc dgx rose 018 to 14755 trading volume 13 m eclipsed its 50day average volume of 13 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