shares of arthur j gallagher  co ajg inched 046 higher to 18928 tuesday on what proved to be an allaround mixed trading session for the stock market with the dow jones industrial average djia rising 011 to 3324156 and the sp 500 index spx falling 040 to 382925 this was the stocks second consecutive day of gains arthur j gallagher  co closed 1223 below its 52week high 20151 which the company reached on december 2nd the stock underperformed when compared to some of its competitors tuesday as marsh  mclennan cos mmc rose 051 to 16644 trading volume 423894 remained 477012 below its 50day average volume of 900906 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