shares of marsh  mclennan cos mmc slipped 079 to 17201 tuesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 020 to 399097 and dow jones industrial average djia falling 114 to 3391085 this was the stocks second consecutive day of losses marsh  mclennan cos closed 1113 below its 52week high 18314 which the company achieved on april 21st the stock demonstrated a mixed performance when compared to some of its competitors tuesday as accenture plc cl a acn rose 097 to 28488 chubb ltd cb fell 113 to 22463 and american international group inc aig fell 098 to 6378 trading volume 13 m remained 310988 below its 50day average volume of 16 m 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