Weekly Recap: Q2 2026 $3.7B net income and U.S. diesel export ban risk

Valero Energy Corporation (NYSE:VLO) reported a strong Q2 2026 with $3.7B net income ($12.62/sh), $4.5B refining operating income and $2.6B returned to shareholders, even as the company faces potential pressure on margins and crude runs if a proposed U.S. diesel export ban is enacted; its St. Charl…