Marathon Petroleum (NYSE:MPC) reported quarterly losses of $(0.24) per share which beat the analyst consensus estimate of $(0.53) by 54.72 percent. This is a 108.63 percent decrease over earnings of $2.78 per share from the same period last year. The company reported quarterly sales of $31.85 billion which beat the analyst consensus estimate of $29.58 billion by 7.66 percent. This is a 4.10 percent decrease over sales of $33.21 billion the same period last year.