Arch Capital Group (NASDAQ:ACGL) reported quarterly earnings of $2.98 per share which beat the analyst consensus estimate of $2.59 by 14.97 percent. This is a 31.86 percent increase over earnings of $2.26 per share from the same period last year. The company reported quarterly sales of $4.255 billion which beat the analyst consensus estimate of $3.945 billion by 7.85 percent. This is a 2.70 percent increase over sales of $4.143 billion the same period last year.