Currency dealers were on high alert as mixed trading emerged across Asia-Pacific markets on Monday, amidst rising geopolitical tensions linked to Iran and the United States. Analysts are closely monitoring the situation following recent developments in the Gulf region.
On Sunday, President Donald Trump announced that a U.S. Navy guided missile destroyer had successfully fired upon and disabled an Iranian-flagged cargo ship in the Gulf of Oman. The incident escalated significantly after Marines boarded the vessel, marking a further increase in hostilities as Iran had already attacked commercial ships in the Strait of Hormuz earlier that day. This strategic waterway connects the Persian Gulf to the Gulf of Oman and is crucial for global oil supply routes.
The U.S. has been enforcing a naval blockade of vessels entering and leaving Iranian ports since last week, an action Iran views as a violation of the recent ceasefire agreement. This has prompted Iran to opt out of expected negotiations scheduled to take place in Islamabad. “I will knock out every single power plant and every single bridge in Iran,” Trump warned, reinforcing the U.S. stance on the ongoing conflict.
Oil prices reacted sharply to the news, with West Texas Intermediate futures climbing 8.11% to $90.65 per barrel by 8:03 PM ET. Brent crude also saw significant gains, rising 7.21% to reach $96.90 per barrel. Amid these fluctuations, South Korea’s KOSPI index recorded a modest increase of 0.27%, while the small-cap KOSDAQ fell by 0.52%. Japan’s Nikkei 225 rose by 0.62% and the Topix index followed suit with a gain of 0.68%. On the other hand, Australia’s S&P/ASX 200 dipped by 0.39%.
In Hong Kong, futures for the Hang Seng index were up, marking 26,502 compared to its prior close of 26,160.33. Meanwhile, futures for American markets showed signs of retreat; the Dow Jones Industrial Average futures dropped 425 points or 0.9%, and S&P 500 futures fell by 0.8%. The Nasdaq-100 futures dipped by 0.65%.
On Friday, the S&P 500 wrapped up the trading session with a 1.2% increase, closing at 7,126.06-a notable milestone as it surpassed the 7,100 mark for the first time. Concurrently, the Nasdaq Composite enjoyed a 1.52% gain, reaching 24,468.48 for its thirteenth straight day of positive performance, the longest such streak since 1992. Both indexes achieved new intraday and closing highs, signaling robust market dynamics despite the geopolitical turbulence.
As traders navigate these uncertain waters, they remain vigilant regarding further developments in the Middle East, which could have lasting implications for global financial markets. The interplay between geopolitical events and market responses underscores the complexity of today’s economic landscape.
This article is based on contributions from CNBC’s Fred Imbert, Sean Conlon, Lisa Kailai Han, and Garrett Downs. For updated insights, make sure to follow CNBC as your preferred source for business news.
Original Source: https://www.cnbc.com/2026/04/20/asia-markets-set-to-open-higher-amid-renewed-iran-us-tensions-.html
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Publish Date: 2026-04-20 05:37:00
