shares of perkinelmer inc pki rallied 503 to 16087 monday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 028 to 411863 and dow jones industrial average djia falling 014 to 3279840 perkinelmer inc closed 4229 below its 52week high 20316 which the company achieved on december 31st the stock outperformed some of its competitors monday as thermo fisher scientific inc tmo fell 148 to 58955 becton dickinson  co bdx rose 019 to 24477 and illumina inc ilmn fell 049 to 21561 trading volume 20 m eclipsed its 50day average volume of 686348 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