HF Sinclair is trading 4.09% up at $109.91 on September 30, 2026, with no identified company-specific announcement directly explaining the gain.
- Broader markets were mixed and did not clearly account for the move.
- A September 30 article revisited the company’s August buyback plan and pipeline expansion, but did not identify either as the cause.
- No trading-volume details were available in the supplied price context.