In the latest trading session, Marathon Petroleum (MPC) closed at $173.66, marking a +0.7% move from the previous day. This move outpaced the S&P 500's daily loss of 0.25%. Elsewhere, the Dow gained 0.77%, while the tech-heavy Nasdaq lost 0.79%. Heading into today, shares of the refiner had lost 2.03% over the past month, outpacing the Oils-Energy sector's loss of 5.24% and lagging the S&P 500's gain of 3.59% in that time. Analysts and investors alike will be keeping a close eye on the performance of Marath ...