shares of unum group unm slid 127 to 4038 tuesday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 113 to 385593 and dow jones industrial average djia falling 101 to 3070623 unum group closed 075 below its 52week high 4113 which the company reached on september 15th the stock demonstrated a mixed performance when compared to some of its competitors tuesday as aflac inc afl rose 027 to 6053 principal financial group inc pfg fell 076 to 7684 and assurant inc aiz fell 272 to 15079 trading volume 17 m eclipsed its 50day average volume of 16 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