Marathon Petroleum ( $MPC) and Valero Energy ($VLO): Two Refiners Posting Strong Gains Above +150% YTD Both MPC and VLO are major U.S. oil refiners that have delivered substantial year-to-date gains exceeding 150% amid elevated refining margins. MPC reported s

Marathon Petroleum ( $MPC) and Valero Energy ($VLO): Two Refiners Posting Strong Gains Above +150% YTD Both MPC and VLO are major U.S. oil refiners that have delivered substantial year-to-date gains exceeding 150% amid elevated refining margins. MPC reported second-quarter 2026 net income of $5.1 billion, while VLO posted $3.7 billion, reflecting strong operational performance across the sector. Recent analyst activity includes price target increases for both stocks, with MPC shares trading near all-time highs around $425 and VLO near $413–$415.