shares of chubb ltd cb slid 010 to 21682 wednesday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 061 to 399532 and dow jones industrial average djia falling 042 to 3396635 this was the stocks second consecutive day of losses chubb ltd closed 518 below its 52week high 22200 which the company reached on december 1st trading volume 16 m remained 22418 below its 50day average volume of 17 m