shares of progressive corp pgr dropped 035 to 12972 wednesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 120 to 378322 and dow jones industrial average djia falling 110 to 3287571 the stocks fall snapped a twoday winning streak progressive corp closed 478 below its 52week high 13450 which the company achieved on december 1st despite its losses the stock outperformed some of its competitors wednesday as chubb ltd cb fell 049 to 21982 american international group inc aig fell 069 to 6289 and arthur j gallagher  co ajg fell 070 to 18795true trading volume 13 m remained 10 million below its 50day average volume of 24 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