In the latest close session, Marathon Petroleum (MPC) was down 7.36% at $435.98. This change lagged the S&P 500's daily gain of 0.6%. At the same time, the Dow added 0.03%, and the tech-heavy Nasdaq ...

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Marathon Petroleum is the largest oil refiner in the United States, operating 13 refineries with roughly 3 million barrels per day of crude capacity across the Gulf Coast, Midwest, and West Coast, ...