shares of marsh  mclennan cos mmc inched 079 higher to 15513 friday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 081 to 444167 and the dow jones industrial average djia rising 065 to 3512008 this was the stocks second consecutive day of gains marsh  mclennan cos hit a new 52week high surpassing its previous peak of 15491 which the company reached on august 17th the stock demonstrated a mixed performance when compared to some of its competitors friday as prudential plc pukpf fell 510 to 1901 willis towers watson plc wltw rose 207 to 21875 and arthur j gallagher  co ajg rose 070 to 14300 trading volume 19 m remained 146274 below 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