Marathon Petroleum is trading 4.3% up now at $311.15 as crude prices rise amid uncertainty over the Strait of Hormuz reopening.
- Brent crude gained 1.0% to $84.40, while U.S. crude rose 0.8% to $78.80 on August 10, 2026, according to Reuters.
- Recent second-quarter results remain a favorable background catalyst, with adjusted EBITDA of $8.5 billion; they were released on August 4.
- The sector backdrop is supportive, but no new company-specific announcement explains the move.