shares of wr berkley corp wrb were unchanged tuesday on what proved to be an allaround mixed trading session for the stock market with the dow jones industrial average djia rising 020 to 3563068 and the sp 500 index spx falling 027 to 457673 wr berkley corp closed 1530 below its 52week high 7699 which the company reached on december 1st the stock demonstrated a mixed performance when compared to some of its competitors tuesday as chubb ltd cb fell 058 to 20322 progressive corp pgr rose 114 to 12742 and travelers cos inc trv fell 017 to 17231 trading volume 620770 remained 871756 below its 50day average volume of 15 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