shares of allstate corp all shed 033 to 12524 monday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 119 to 401981 and the dow jones industrial average djia rising 076 to 3362956 allstate corp closed 1922 below its 52week high 14446 which the company reached on april 21st the stock demonstrated a mixed performance when compared to some of its competitors monday as progressive corp pgr fell 040 to 12712 travelers cos inc