Iranian Shia women shout slogans during Eid al-Fitr prayers, marking the end of the Muslim holy month of Ramadan, at the Grand Mosalla mosque in Tehran on March 21, 2026.
Str | Afp | Getty Images
Asia-Pacific markets sold off sharply on Monday, with major indexes in Japan and South Korea falling more than 5%, as investors fled risk assets amid escalating conflict in the Middle East that has entered its fourth week.
President Donald Trump said on Saturday that he would “obliterate” Iran’s power plants if Tehran failed to fully reopen the Strait of Hormuz — a vital artery for global energy flows — within 48 hours
Iran pushed back, threatening to target energy infrastructure and desalination facilities in the Gulf if the U.S. carries out its ultimatum.
Iran’s Parliament speaker Mohammad Bagher Ghalibaf said Saturday that attacks on the country’s power plants would “immediately” be met with retaliatory strikes on energy and oil infrastructure across the region.
“Critical infrastructure and energy and oil infrastructure throughout the region will be considered legitimate targets and irreversibly destroyed, and oil prices will rise for a long time,” Ghalibaf said on X.
On Sunday, Ghalibaf extended the threat to holders of U.S. Treasurys, warning financial entities that purchase American government bonds and “finance the U.S. military budget” would be considered legitimate targets, alongside military bases.
Crude prices were largely stable in early trading hours on Monday. Brent crude lost 0.25% to $111.97 per barrel as of 7:16 p.m. EST. The U.S. West Texas Intermediate was down 0.6% at $97.64 per barrel.
The spread between Brent and WTI exceeded $14 a barrel, the steepest price difference between the benchmarks for U.S. and international crude oil in years.
That widening gap may indicate a “peak intensity of this oil crisis,” Chris Verrone, chief market strategist at Strategas Research, told CNBC’s “Squawk Box Asia” Monday. Elevated Brent crude prices will likely prompt traders to price in a longer-lasting conflict, he added.
Japan’s Nikkei 225 declined nearly 5%, widening losses from the earlier session, while the broad-based Topix dropped 4.4%.
South Korea’s blue-chip Kospi plunged more than 6%, and the small-cap Kosdaq fell nearly 5%. The Korean exchange briefly suspended trading after the Kospi 200 futures index fell by over 5%.
Australia’s S&P/ASX 200 declined 2.4%.
Hong Kong’s Hang Seng Index and the mainland CSI 300 dropped nearly 2% on the open.
Overnight in the U.S., stock futures were little changed. The Dow Jones Industrial Average was flat and the S&P 500 shed 0.1% while the Nasdaq Composite futures pulled back by 0.2%.
The three major indices ended last week lower, with the S&P 500 declining by more than 1.5% and falling below its 200-day moving average for the first time since May. The Dow, which saw its first four-week losing streak since 2023, and the Nasdaq each fell around 2% for the week.
— CNBC’s Lisa Kim and Fred Imbert contributed to this report.
