Findlay, Ohio-based Marathon Petroleum Corp. MPC is a leading independent refiner, transporter and marketer of petroleum products. The company, in its current form, came into existence following the 2011 spin-off of Houston, Texas-based Marathon Oil Corp.’s MRO refining/sales business into a separate, independent and publicly traded entity. Marathon Petroleum operates in three segments: Refining and Marketing, Speedway (Retail), and Pipeline Transportation.Currently, Marathon Petroleum has a Zacks Rank #3 (Hold) but that could change following its first quarter 2016 earnings report which has just released.We have highlighted some of the key details from the just-released announcement below:Earnings: Marathon Petroleum misses on earnings. Earnings per share came in at 6 cents, below the Zacks Consensus Estimate of 17 cents.Revenue: Revenues above expectations. Revenues of $12,830 million surpassed the Zacks Consensus Estimate of $10,881 million.Key Stats: Operating loss from the Refining & Marketing segment was 62 million compared with $1,292 million profit in the year-ago quarter. Total refined product sales volumes were 2,148 thousand barrels per day (mbpd), lower than 2,233 mbpd in the year-ago quarter. Throughput fell from 1,852 mbpd in the year-ago quarter to 1,774 mbpd. Check back later for our full write up on this Marathon Petroleum earnings report later!Want 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 >>Want 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 OIL CP (MRO): Free Stock Analysis Report MARATHON PETROL (MPC): Free Stock Analysis Report To read this article on Zacks.com click here.