Arch Capital Group (NASDAQ:ACGL) reported quarterly earnings of $2.50 per share which beat the analyst consensus estimate of $2.48 by 0.81 percent. This is a 62.34 percent increase over earnings of $1.54 per share from the same period last year. The company reported quarterly sales of $3.986 billion which missed the analyst consensus estimate of $4.613 billion by 13.59 percent. This is a 4.82 percent decrease over sales of $4.188 billion the same period last year.