shares of progressive corp pgr slipped 139 to 13150 wednesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 073 to 411524 and dow jones industrial average djia falling 077 to 3279992 this was the stocks second consecutive day of losses progressive corp closed 1837 short of its 52week high 14987 which the company reached on april 11th the stock demonstrated a mixed performance when compared to some of its competitors wednesday as chubb ltd cb fell 121 to 19407 american international group inc aig fell 215 to 5457 and arthur j gallagher  co ajg fell 074 to 20508 trading volume 19 m remained 11 million below its 50day average volume of 31 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