Rio Tinto (NYSE:RIO) reported quarterly earnings of $6.69 per share which beat the analyst consensus estimate of $6.65 by 0.63 percent. This is a 0.03 percent increase over earnings of $6.69 per share from the same period last year. The company reported quarterly sales of $57.638 billion which beat the analyst consensus estimate of $57.396 billion by 0.42 percent. This is a 7.42 percent increase over sales of $53.658 billion the same period last year.