shares of unum group unm sank 052 to 4242 wednesday on what proved to be an allaround great trading session for the stock market with the sp 500 index spx rising 028 to 414760 and the dow jones industrial average djia rising 011 to 3412805 this was the stocks second consecutive day of losses unum group closed 422 below its 52week high 4664 which the company reached on november 2nd the stock underperformed when compared to some of its competitors wednesday as chubb ltd cb fell 017 to 21295 trading volume 11 m remained 273429 below its 50day average volume of 14 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