In the latest trading session, Marathon Petroleum (MPC) closed at $108.85, marking a -0.14% move from the previous day. This change lagged the S&P 500's daily gain of 0.75%. At the same time, the Dow added 0.55%, and the tech-heavy Nasdaq lost 0.01%.Prior to today's trading, shares of the refiner had lost 5.92% over the past month. This has lagged the Oils-Energy sector's loss of 5.74% and the S&P 500's gain of 3.49% in that time.Wall Street will be looking for positivity from Marathon Petroleum as it approaches its next earnings report date. The company is expected to report EPS of $6.09, up 368.46% from the prior-year quarter. Meanwhile, our latest consensus estimate is calling for revenue of $32.66 billion, down 8.28% from the prior-year quarter.Looking at the full year, our Zacks Consensus Estimates suggest analysts are expecting earnings of $25.50 per share and revenue of $171 billion. These totals would mark changes of +940.82% and +41.41%, respectively, from last year.It is also important to note the recent changes to analyst estimates for Marathon Petroleum. Recent revisions tend to reflect the latest near-term business trends. As such, positive estimate revisions reflect analyst optimism about the company's business and profitability.Research indicates that these estimate revisions are directly correlated with near-term share price momentum. Investors can capitalize on this by using the Zacks Rank. This model considers these estimate changes and provides a simple, actionable rating system.The Zacks Rank system ranges from #1 (Strong Buy) to #5 (Strong Sell). It has a remarkable, outside-audited track record of success, with #1 stocks delivering an average annual return of +25% since 1988. Within the past 30 days, our consensus EPS projection has moved 4.83% higher. Marathon Petroleum is currently sporting a Zacks Rank of #2 (Buy).Digging into valuation, Marathon Petroleum currently has a Forward P/E ratio of 4.27. Its industry sports an average Forward P/E of 5.08, so we one might conclude that Marathon Petroleum is trading at a discount comparatively.It is also worth noting that MPC currently has a PEG ratio of 0.18. This popular metric is similar to the widely-known P/E ratio, with the difference being that the PEG ratio also takes into account the company's expected earnings growth rate. The Oil and Gas - Refining and Marketing industry currently had an average PEG ratio of 0.45 as of yesterday's close.The Oil and Gas - Refining and Marketing industry is part of the Oils-Energy sector. This industry currently has a Zacks Industry Rank of 45, which puts it in the top 18% of all 250+ industries.The Zacks Industry Rank gauges the strength of our individual industry groups by measuring the average Zacks Rank of the individual stocks within the groups. Our research shows that the top 50% rated industries outperform the bottom half by a factor of 2 to 1.You can find more information on all of these metrics, and much more, on Zacks.com. Just Released: Zacks Unveils the Top 5 EV Stocks for 2022 For several months now, electric vehicles have been disrupting the $82 billion automotive industry. And that disruption is only getting bigger thanks to sky-high gas prices. Even titans in the financial industry including George Soros, Jeff Bezos, and Ray Dalio have invested in this unstoppable wave. You don't want to be sitting on your hands while EV stocks break out and climb to new highs. In a new free report, Zacks is revealing the top 5 EV stocks for investors. Next year, don't look back on today wishing you had taken advantage of this opportunity.>>Send me my free report revealing the top 5 EV stocksWant the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report Marathon Petroleum Corporation (MPC): Free Stock Analysis ReportTo read this article on Zacks.com click here.Zacks Investment Research