shares of progressive corp pgr dropped 040 to 12712 monday on what proved to be an allaround favorable 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 progressive corp closed 833 below its 52week high 13545 which the company achieved on january 9th the stock underperformed when compared to some of its competitors monday as chubb ltd cb rose 143 to 22359 american international group inc aig rose 101 to 6310 and arthur j gallagher  co ajg rose 102 to 19588 trading volume 26 m eclipsed its 50day average volume of 22 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