shares of principal financial group inc pfg shed 217 to 6726 tuesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 064 to 410990 and dow jones industrial average djia falling 101 to 3301214 principal financial group inc closed 2891 below its 52week high 9617 which the company reached on november 11th the stock underperformed when compared to some of its competitors tuesday as chubb ltd cb fell 022 to 19960 trading volume 960035 remained 11 million below its 50day average volume of 20 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