shares of perkinelmer inc pki slipped 583 to 14792 thursday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 356 to 414687 and dow jones industrial average djia falling 312 to 3299797 the stocks fall snapped a fiveday winning streak perkinelmer inc closed 5524 below its 52week high 20316 which the company reached on december 31st the stock underperformed when compared to some of its competitors thursday as thermo fisher scientific inc tmo fell 221 to 55051 becton dickinson  co bdx rose 241 to 25964 and illumina inc ilmn fell 519 to 29172 trading volume 12 m eclipsed its 50day average volume of 750178 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