shares of american international group inc aig sank 074 to 5651 tuesday on what proved to be an allaround mixed trading session for the stock market with the dow jones industrial average djia rising 015 to 3192862 and the sp 500 index spx falling 081 to 394148 american international group inc closed 922 short of its 52week high 6573 which the company reached on april 21st the stock underperformed when compared to some of its competitors tuesday as prudential plc adr puk rose 023 to 2581 arch capital group ltd acgl fell 039 to 4613 and american financial group inc afg rose 033 to 13378 trading volume 59 m eclipsed its 50day average volume of 48 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