shares of wr berkley corp wrb slid 004 to 7456 tuesday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 056 to 382811 and the dow jones industrial average djia rising 102 to 3316083 this was the stocks second consecutive day of losses wr berkley corp closed 150 short of its 52week high 7606 which the company achieved on november 2nd despite its losses the stock outperformed some of its competitors tuesday as arch capital group ltd acgl fell 050 to 5772 trading volume 10 m remained 255532 below its 50day average volume of 13 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