shares of principal financial group inc pfg slipped 141 to 6716 monday on what proved to be an allaround mixed trading session for the stock market with the sp 500 index spx rising 043 to 452879 and the dow jones industrial average djia falling 016 to 3539984 principal financial group inc closed 124 short of its 52week high 6840 which the company achieved on august 25th the stock underperformed when compared to some of its competitors monday as aflac inc afl fell 116 to 5643 assurant inc aiz fell 044 to 16861 and aegon nv adr aeg fell 101 to 490 trading volume 547758 remained 536562 below its 50day average volume of 11 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