shares of wr berkley corp wrb rallied 118 to 6250 thursday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 064 to 453741 and dow jones industrial average djia falling 067 to 3528272 this was the stocks second consecutive day of gains wr berkley corp closed 1449 below its 52week high 7699 which the company achieved on december 1st the stock demonstrated a mixed performance when compared to some of its competitors thursday as chubb ltd cb rose 258 to 21120 progressive corp pgr fell 073 to 12531 and travelers cos inc trv rose 041 to 17487 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