shares of wr berkley corp wrb slipped 294 to 6922 friday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 025 to 407056 and the dow jones industrial average djia rising 008 to 3397808 this was the stocks second consecutive day of losses wr berkley corp closed 777 short of its 52week high 7699 which the company achieved on december 1st the stock underperformed when compared to some of its competitors friday as chubb ltd cb fell 164 to 22733 progressive corp pgr rose 012 to 13507 and travelers cos inc trv fell 174 to 18876 trading volume 17 m eclipsed its 50day average volume of 12 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