Global markets plunge as Iranian conflict triggers oil surge and fears of prolonged regional warfare

Stocks slide and oil surges to $83 as the Iran war closes the Strait of Hormuz and disrupts global gas supplies, sparking fears of prolonged inflation.

By: AXL Media

Published: Mar 3, 2026, 2:56 PM EST

Source: The information in this article was sourced from Business Insider

Massive Sell-Off in U.S. Equities

United States stock markets experienced a severe downturn during Tuesday’s trading session, with major indexes posting more dramatic losses than those seen at the start of the week. The Dow Jones Industrial Average fell by nearly 1,200 points, or 2.45%, immediately following the opening bell. Similarly, the S&P 500 and the Nasdaq Composite saw declines of 2.3% and 2.5% respectively. Analysts from Deutsche Bank noted that while historical oil shocks require a 50% to 100% spike to trigger a 15% market correction, the current speed of the escalation has placed traders on high alert for a significant economic slowdown.

Global Market Contagion

The volatility in New York was mirrored across international exchanges as the conflict’s reach expanded. In Asia, South Korea’s KOSPI index plummeted by 7%, marking its steepest one-day decline in 19 months, while Hong Kong’s Hang Seng closed down 1%. European markets also faced heavy selling pressure, with Germany’s DAX trading 3.5% lower and both the FTSE 100 in London and the CAC 40 in Paris dropping by approximately 3%. Travel-related stocks were among the hardest hit as regional airspace closures and evacuation orders complicated global transit.

Energy Spikes and Production Halts

Energy markets reacted sharply to the news that Iran has effectively closed the Strait of Hormuz, a waterway responsible for 20% of the world's oil flow. Brent crude and West Texas Intermediate both surged by 7%, reaching approximately $83 and $76 per barrel, respectively. Even more significant was the 42% jump in European natural gas futures, which surpassed 60 euros per megawatt-hour. This surge followed Qatar’s decision to suspend production at the world’s largest LNG export facility after a drone strike, an event that threatens 20% of the global liquefied natural gas supply.