shares of american international group inc aig slipped 168 to 5095 tuesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 158 to 407163 and dow jones industrial average djia falling 102 to 3353083 american international group inc closed 1393 short of its 52week high 6488 which the company reached on january 9th