shares of american international group inc aig sank 071 to 6152 tuesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 003 to 413613 and dow jones industrial average djia falling 046 to 3408927 the stocks fall snapped a twoday winning streak american international group inc closed 421 short of its 52week high 6573 which the company achieved on april 21st trading volume 38 m remained 793503 below its 50day average volume of 45 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