Murphy USA (NYSE:MUSA) reported quarterly earnings of $2.63 per share which missed the analyst consensus estimate of $4.07 by 35.38 percent. This is a 15.71 percent decrease over earnings of $3.12 per share from the same period last year. The company reported quarterly sales of $4.53 billion which missed the analyst consensus estimate of $4.70 billion by 3.76 percent. This is a 6.58 percent decrease over sales of $4.84 billion the same period last year.