shares of marsh  mclennan cos mmc inched 051 higher to 17170 monday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 057 to 429612 and the dow jones industrial average djia rising 070 to 3404946 marsh  mclennan cos closed 1144 below 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 fell 302 to 1280 willis towers watson plc wtw rose 155 to 24106 and arthur j gallagher  co ajg rose 048 to 17889 trading volume 29 m eclipsed its 50day average volume of 21 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