shares of arthur j gallagher  co ajg rose 108 to 18139 monday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 069 to 389989 and the dow jones industrial average djia rising 064 to 3101968 the stocks rise snapped a twoday losing streak arthur j gallagher  co closed 1061 below its 52week high 19200 which the company achieved on august 26th the stock demonstrated a mixed performance when compared to some of its competitors monday as marsh  mclennan cos mmc rose 056 to 15722 willis towers watson plc wtw rose 134 to 20876 and brown  brown inc bro rose 034 to 6175 trading volume 645360 remained 228377 below its 50day average volume of 873737 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