Marathon Petroleum Corporation (MPC) is a leading player in the energy sector, focusing on refining, marketing, and midstream operations. With a market cap of $55.8 billion, it refines crude oil, markets petroleum products, and operates extensive transportation and logistics infrastructure primarily in the United States. The Findlay, Ohio-based company is expected to announce its Q3 earnings before the market opens on Tuesday, Nov. 5. Ahead of the event, analysts expect the refiner to report a profit of $0.97 per share, down 88.1% from $8.14 per share reported in the year-ago quarter. However,…