shares of arthur j gallagher  co ajg shed 106 to 15240 monday on what proved to be an allaround mixed trading session for the stock market with the dow jones industrial average djia rising 021 to 3486937 and the sp 500 index spx falling 028 to 444311 the stocks fall snapped a fourday winning streak arthur j gallagher  co closed 196 below its 52week high 15436 which the company achieved on september 24th the stock demonstrated a mixed performance when compared to some of its competitors monday as marsh  mclennan cos mmc fell 181 to 15657 willis towers watson plc wltw fell 096 to 23158 and brown  brown inc bro fell 134 to 5732 trading volume 675168 remained 419110 below its 50day average volume of 11 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