Affiliated Managers Group (NYSE:AMG) reported quarterly earnings of $2.20 per share which missed the analyst consensus estimate of $3.47 by 36.6 percent. This is a 59.03 percent decrease over earnings of $5.37 per share from the same period last year. The company reported quarterly sales of $496.60 million which missed the analyst consensus estimate of $503.91 million by 1.45 percent. This is a 0.66 percent decrease over sales of $499.90 million the same period last year.