West Texas crude rose to US$93.16 a barrel (+1.64) and Brent to US$103.08 (+3.83) on 23 Sep 2026, as Iran said at the UN it will not yield to US pressure while talks remain open. Markets fear supply disruption through the Strait of Hormuz. Partial relief: Saudi Arabia has partly reopened the East-West pipeline to the Red Sea, and Iraq keeps exporting over 3 million barrels a day. For a Thai SME, expect diesel and transport costs to stay under pressure in the short term. Review fuel surcharges and delivery quotes, and check energy-heavy input costs before setting next quarter's prices.