Principal Finl Gr (NASDAQ:PFG) reported quarterly earnings of $2.50 per share which beat the analyst consensus estimate of $2.34 by 6.84 percent. This is a 15.74 percent increase over earnings of $2.16 per share from the same period last year. The company reported quarterly sales of $3.905 billion which missed the analyst consensus estimate of $4.109 billion by 4.96 percent. This is a 5.86 percent increase over sales of $3.689 billion the same period last year.