World share prices soared Monday after a tentative deal was announced on ending the Iran war and reopening the Strait of Hormuz, while oil prices fell more than $4 a barrel.
The future for the S&P 500 was up 1.2 percent and that for the Dow Jones Industrial Average gained 1%, auguring likely early gains for Wall Street.
In early European trading, Germany’s DAX advanced 1.7% to 25,066.48, while the CAC 40 in Paris also added 1.7% to 8,410.36.
Britain’s FTSE 100 gained 0.8% to 10,553.18.
After repeated false starts, investors were betting that this time, the war might end. US President Donald Trump confirmed the initial agreement and authorized an end to the US naval blockade of Iranian ports.
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Iran confirmed it but signaled that implementation would not start until a signing that Pakistan said would be held Friday in Switzerland. Broader negotiations on issues like Iran’s nuclear program are expected to continue over the next 60 days.
Currency traders watch monitors near a screen showing the Korea Composite Stock Price Index (KOSPI) and the foreign exchange rate between US dollar and South Korean won at the foreign exchange dealing room of the Hana Bank headquarters in Seoul, South Korea, June 15, 2026. (AP Photo/Ahn Young-joon)
In early trading Monday, the price of Brent crude oil, the international standard, fell $4.08 to $83.25 per barrel. US benchmark crude lost $4.51 to $80.37 per barrel.
It may take months for oil prices to stabilize after the disruptions from the war caused them to surge, pushing costs up for gasoline and many other products. Energy experts said shipping and insurance companies will want to be confident the pact will hold, ensuring that oil and gas supplies will flow freely enough for the world’s needs to be met.
“The reopening of Hormuz is a relief valve, not a full peace dividend. The market can remove some crude panic, but it still has to price the gap between a headline, a signature, and a regime that actually complies,” Stephen Innes of SPI Asset Management said in a report.
People gather on paddleboards in shallow water as cargo and service vessels are anchored in the Strait of Hormuz off Bandar Abbas, Iran, June 1, 2026. (Amirhosein Khorgooi/ISNA via AP)
Still, the news was a huge relief for markets that have been roiled since the conflict began in late February.
Stocks rallied in Asia, where Tokyo’s Nikkei 225 gained 5% to 69,317.50 as the benchmark logged another record high.
Buying was heaviest for technology shares, especially those related to artificial intelligence. The boom in AI has been driving gains in Japan, where the benchmark has gained more than 80% in the last year.
“This is great news,” said Takashi Hiroki, chief strategist at Monex. “Buying by foreign investors is leading the market with expectations of easing tensions around the situation in the Middle East. Then the decline in New York crude oil futures is supporting this positive market.”
US President Donald Trump boards Air Force One, June 15, 2026, at Joint Base Andrews, Maryland (Anna Moneymaker/Pool Photo via AP)
The Kospi in Seoul surged 5.2% to 8,545.98.
In Hong Kong, the Hang Seng gained 0.6% to 24,864.13, while the Shanghai Composite index was up 1.6% to 4,096.47.
Australia’s S&P/ASX 200 advanced 1.3% to 8,922.90. Taiwan’s Taiex was up 2.8%, and the Sensex in India rose 1.2%.
On Friday, US stocks advanced as Musk’s SpaceX soared in its highly anticipated debut on Wall Street.
The strong start suggested plenty of demand still exists among investors for AI after SpaceX stock leaped 19.2% in its first day of trading. That gave Elon Musk’s rocket company a total value of $2.1 trillion, making it bigger than Exxon Mobil, Bank of America and Coca-Cola combined. In addition to building rockets, SpaceX also owns the artificial intelligence company xAI.
Elon Musk departs after a welcome ceremony with President Donald Trump and China’s President Xi Jinping at the Great Hall of the People, Thursday, May 14, 2026, in Beijing. (AP Photo/Mark Schiefelbein, File)
The S&P 500 added 0.5% to close out its 10th winning week in the last 11. The Dow industrials climbed 353 points, or 0.7%, and the Nasdaq composite gained 0.3%.
This week will bring interest rate decisions from the Federal Reserve and Bank of England, on Thursday. On Tuesday, the Bank of Japan is due to announce its monetary policy updates. It is widely expected to raise its benchmark interest rate to 1% from the current 0.75%.
That would be the highest rate in more than 30 years.
In other dealings early Monday, the dollar slipped to 160.17 Japanese yen from 160.12 yen late Friday. The euro climbed to $1.1608 from $1.1578.
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