shares of arthur j gallagher  co ajg inched 035 higher to 21635 tuesday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 067 to 443926 and the dow jones industrial average djia rising 093 to 3426142 this was the stocks second consecutive day of gains arthur j gallagher  co closed 428 below its 52week high 22063 which the company reached on june 30th the stock underperformed when compared to some of its competitors tuesday as marsh  mclennan cos mmc rose 108 to 18690 trading volume 467499 remained 437345 below its 50day average volume of 904844 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