Diamondback Energy is trading at $217.92, up 5.57%, as rising crude prices support oil-sector conditions. - A tanker attack in the Strait of Hormuz renewed supply-disruption concerns; Reuters reported Brent at $116.08 and WTI at $103.37 early Friday. - The broader pre-market tape was mixed, and no new Diamondback-specific announcement was identified as the driver. - Third-quarter results are scheduled for release November 2 after the close.