shares of unum group unm slumped 047 to 4861 monday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 015 to 458896 and the dow jones industrial average djia rising 028 to 3555953 unum group closed 089 below its 52week high 4950 which the company reached on july 7th despite its losses the stock outperformed some of its competitors monday as chubb ltd cb fell 076 to 20441 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