Aon (NYSE:AON) reported quarterly earnings of $3.81 per share which beat the analyst consensus estimate of $3.80 by 0.26 percent. This is a 9.17 percent increase over earnings of $3.49 per share from the same period last year. The company reported quarterly sales of $4.246 billion which missed the analyst consensus estimate of $4.281 billion by 0.81 percent. This is a 2.19 percent increase over sales of $4.155 billion the same period last year.