Oil Prices Soar as Strait of Hormuz Tensions Escalate
Stock futures slipped on August 31 as the U.S. military strike on Iranian rocket launchers in the Strait of Hormuz pushed oil prices higher, reigniting concerns about Middle East supply disruptions and their ripple effects on corporate earnings.
The attack marked a fresh escalation in the ongoing U.S.-Iran conflict that has destabilized energy markets since early 2026. Brent crude futures surged 2.8% to $90.59 per barrel, while U.S. West Texas Intermediate crude rose 2.7% to $85.68.
The Strait of Hormuz, through which more than 20 percent of global oil trade flows, has been effectively closed since early May 2026 due to escalating hostilities. This closure has forced tankers to reroute through longer, more expensive paths around Oman, adding both time and cost to global energy delivery.
Higher oil prices typically weigh on equity markets through multiple channels. Rising energy costs increase production expenses for companies across sectors, reduce corporate profitability, and can fuel inflation that complicates monetary policy.