Marathon Petroleum (NYSE:MPC) has outperformed the market over the past 5 years by 5.1% on an annualized basis producing an average annual return of 19.36%. Currently, Marathon Petroleum has a market capitalization of $52.85 billion. Buying $100 In MPC: If an investor had bought $100 of MPC stock 5 years ago, it would be worth $244.16 today based on a price of $157.90 for MPC at the time of writing. Marathon Petroleum’s Performance Over Last 5 YearsFinally — what’s the point of all this? The key insight to take from this article is to note how much of a difference compounded returns can make …