shares of marsh  mclennan cos mmc slipped 122 to 16196 monday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 028 to 411863 and dow jones industrial average djia falling 014 to 3279840 the stocks fall snapped a threeday winning streak marsh  mclennan cos closed 2118 short of its 52week high 18314 which the company reached on april 21st the stock demonstrated a mixed performance when compared to some of its competitors monday as prudential plc pukpf rose 215 to 1226 willis towers watson plc wtw fell 151 to 20382 and arthur j gallagher  co ajg fell 361 to 17252 trading volume 17 m remained 234286 below its 50day average volume of 20 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