Alcoa (NYSE:AA) reported quarterly earnings of $1.26 per share which beat the analyst consensus estimate of $0.92 by 37.7 percent. This is a 21.15 percent increase over earnings of $1.04 per share from the same period last year. The company reported quarterly sales of $3.449 billion which beat the analyst consensus estimate of $3.306 billion by 4.34 percent. This is a 1.06 percent decrease over sales of $3.486 billion the same period last year.