shares of perkinelmer inc pki inched 011 higher to 18705 friday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 077 to 445858 and dow jones industrial average djia falling 078 to 3460772 perkinelmer inc closed 402 short of its 52week high 19107 which the company reached on september 8th the stock demonstrated a mixed performance when compared to some of its competitors friday as thermo fisher scientific inc tmo rose 056 to 57196 becton dickinson  co bdx fell 070 to 25833 and illumina inc ilmn fell 023 to 45821 trading volume 442438 remained 259474 below its 50day average volume of 701912 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