shares of arthur j gallagher  co ajg rose 133 to 18735 tuesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 030 to 397015 and dow jones industrial average djia falling 071 to 3265670 this was the stocks second consecutive day of gains arthur j gallagher  co closed 1502 short of its 52week high 20237 which the company achieved on january 27th