shares of principal financial group inc pfg sank 041 to 6535 wednesday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 016 to 435946 and the dow jones industrial average djia rising 026 to 3439072 this was the stocks second consecutive day of losses principal financial group inc closed 305 short of its 52week high 6840 which the company reached on august 25th the stock underperformed when compared to some of its competitors wednesday as aflac inc afl fell 017 to 5274 assurant inc aiz rose 076 to 16061 and aegon nv adr aeg rose 180 to 509 trading volume 861187 remained 167240 below its 50day average volume of 10 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