AutoZone (NYSE:AZO) reported quarterly earnings of $56.05 per share which beat the analyst consensus estimate of $53.98 by 3.82 percent. This is a 15.07 percent increase over earnings of $48.71 per share from the same period last year. The company reported quarterly sales of $6.595 billion which missed the analyst consensus estimate of $6.681 billion by 1.29 percent. This is a 5.66 percent increase over sales of $6.242 billion the same period last year.