shares of ecolab inc ecl inched 007 higher to 18019 tuesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 126 to 452512 and dow jones industrial average djia falling 080 to 3464118 ecolab inc closed 5874 short of its 52week high 23893 which the company achieved on november 22nd the stock demonstrated a mixed performance when compared to some of its competitors tuesday as procter  gamble co pg rose 035 to 15462 ppg industries