shares of ecolab inc ecl sank 076 to 21317 thursday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 110 to 448273 and dow jones industrial average djia falling 089 to 3471539 ecolab inc closed 2576 below its 52week high 23893 which the company achieved on november 22nd the stock demonstrated a mixed performance when compared to some of its competitors thursday as procter  gamble co pg rose 054 to 16200 ppg industries inc ppg fell 115 to 15970 and clorox co clx fell 284 to 17598 trading volume 13 m eclipsed its 50day average volume of 919350 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