Asian Markets Plunge as Iran Conflict Escalates, Oil Surges

Asian stock markets experienced significant declines on Wednesday, following a global sell-off triggered by escalating tensions in the Middle East stemming from the conflict between the U.S., Israel, and Iran. The downturn comes after U.S. Markets showed relative resilience on Tuesday despite the growing economic risks, including surging energy prices and potential disruptions to global trade.

Regional Market Performance

As of Wednesday, March 4, 2026, key indexes across the Asia Pacific region posted substantial losses:

• South Korea’s KOSPI: Plunged approximately 6.5 percent in afternoon trading, marking the largest drop among major indexes. Al Jazeera reported this as the most significant decline.
• Japan’s Nikkei 225: Fell by 3 percent.
• Australia’s ASX 200: Dropped around 1.5 percent.
• China’s SSE Composite Index: Initially fell as much as 1.3 percent but recovered some ground later in the day.

Sector Impact

Airlines were particularly hard hit, with significant cancellations of flights to the Middle East due to the conflict. Korean Air saw a decline of over 9 percent, while Japan Airlines fell approximately 6 percent.

Oil Price Surge, and U.S. Response

The conflict has fueled a surge in energy prices. U.S. Crude oil traded higher by 8% on Tuesday, bringing the total increase since Sunday night to over 13%, reaching levels not seen since January 2025. NBC News reported on this significant increase.

But, the oil price increase was briefly tempered by an announcement from former President Donald Trump, who stated on his social media platform that he had ordered the U.S. Development Finance Corp. To provide insurance for maritime trade, particularly energy shipments, through the Gulf. He as well indicated the potential for the U.S. Navy to escort tankers through the Strait of Hormuz. Despite this, oil prices resumed their climb later in the day, ultimately remaining up about 4% as of 4 p.m. ET.

U.S. Market Reaction

While Asian markets reacted strongly to the escalating conflict, U.S. Stocks held relatively firm on Monday. The S&P 500 closed flat, and the Nasdaq Composite edged up slightly. However, earlier in the day, the S&P 500 had declined as much as 2.5%, and the Dow Jones Industrial Average had plunged 1,277 points.

Selective Impact and Resource-Rich Nations

The sell-off in Asian markets has not been uniform. Countries with abundant resources have been less affected than others. The Street highlights this selective impact, suggesting that resource-rich economies are better positioned to weather the storm.

Looking Ahead

The situation remains fluid, and market volatility is expected to continue as the conflict between the U.S., Israel, and Iran unfolds. Investors are closely monitoring developments in the region and assessing the potential for further escalation and its impact on global economic stability.