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Stocks adrift, oil up as US-Iran halt renewed attacks

Published by Global Banking & Finance Review

Posted on June 29, 2026

4 min read

· Last updated: June 29, 2026

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Stocks Wobble, Oil Gains Amid US-Iran Ceasefire Uncertainty in Global Markets

Market Reactions to US-Iran Ceasefire Developments

By Ankur Banerjee

SINGAPORE, June 29 (Reuters) - Asian stocks wobbled on Monday as Iran and the United States agreed to halt recent hostilities that had cast a shadow over an interim peace deal, with oil prices buoyed by uncertainty and the dollar standing tall near a one-year high.

Ceasefire and Diplomatic Efforts

A return to diplomacy in the Middle East would follow several days of tit-for-tat strikes since an Iranian projectile hit a cargo vessel in the Strait of Hormuz last week, with both sides accusing each other of breaking an interim ceasefire.

Stock Market Performance

Futures for S&P 500 and Nasdaq gained 0.4% in early trading. South Korea's KOSPI fell nearly 2%, while Japan's Nikkei slipped 1%, leaving MSCI's broadest index of Asia-Pacific shares down 0.4%.

"It feels like we are lacking a bit of direction," said Nick Twidale, chief market strategist at ATFX Global in Sydney.

"We may get a shot in the arm later today from more positive news out of the Middle East...but at the moment I think it's going to be a bit of a flow-driven day without major moves to either side."

Oil Prices React to Uncertainty

Worries over the future of the peace deal lifted oil prices. Brent crude futures climbed 0.85% to $72.6 a barrel while U.S. West Texas Intermediate crude rose over 1% to $70.01 a barrel.

Oil has given up almost all its gains from the war as markets quickly reprice the prospect of easing supply.

Details of the Interim Peace Accord

The 14-point interim peace accord agreed on June 17 was meant to halt the fighting, which the U.S. and Israel started on February 28, and reopen the strait while talks proceeded on issues such as Iran's nuclear programme.

But the latest strikes stoked worries of escalation, although traders broadly expect a resolution.

"Markets enter July with a ceasefire that nobody quite trusts," said Marc Chandler, chief market strategist at Bannockburn Capital Markets.

Technology Sector and Market Sentiment

Tech Worries Linger

Investor concern that valuations for AI-related companies have become stretched following years of gains has weighed on markets, with Micron's strong earnings forecast and Apple's price hikes last week underscoring the contrasting challenges.

Rotation in Market Segments

Markets are undergoing a tactical rotation away from mega-cap AI into smaller, more cyclical segments, marking early signs of broadening after extreme concentration, strategists at BofA Global Research said in a note.

Tony Sycamore, market analyst at IG, pointed to renewed investor unease over the enormous AI-related capital expenditure being undertaken by the biggest firms and increasing uncertainty about when those investments will translate into earnings growth that justifies current valuations.

Analysts also say that month-end and quarter-end rebalancing flows might have spurred some of the weakness in big tech firms, which have outperformed for much of the second quarter.

Currency and Commodity Movements

Dollar Strength and Interest Rate Expectations

Easing oil prices may help reduce some inflation pressure but elevated prices are likely to keep the U.S. Federal Reserve under pressure to raise interest rates with investors pricing in at least one rate increase this year.

Rising odds of a rate hike have lifted the dollar, with the dollar index, which measures the U.S. currency against six other units, at 101.33, just below the one-year high it touched last week.

Yen and Gold Performance

The Japanese yen was languishing at 161.77 per U.S. dollar as fears of another bout of intervention from Tokyo kept the fragile currency from breaking through its lowest in 40 years.

The strengthening dollar has weighed on gold, which was down 0.4% at $4,072 per ounce. The yellow metal is set for a 13% decline in the second quarter, its biggest quarterly drop since 2013. [GOL/]

(Reporting by Ankur Banerjee in Singapore; Editing by Jacqueline Wong)

Key Takeaways

  • Renewed US‑Iran ceasefire underpins oil prices despite equity caution – Brent near $72.5, WTI ~$70 (marketscreener.com)
  • Stocks lacked direction: S&P 500 and Nasdaq futures up ~0.4%, Asia‑Pacific shares down ~0.4%, with Korea’s KOSPI and Japan’s Nikkei weakening (apnews.com)
  • Dollar near one‑year highs on rising rate‑hike bets keeps yen weak (~¥161–162) and weighs on gold (investing.com)

References

Frequently Asked Questions

How did the US-Iran ceasefire affect Asian stock markets?
Asian stocks remained volatile, with some indexes falling and others rising slightly due to uncertainty following the US-Iran ceasefire.
What happened to oil prices after the agreement?
Oil prices climbed as uncertainty persisted despite the US-Iran ceasefire, with Brent crude and WTI crude both increasing.
How are AI-related tech stocks performing amid market uncertainty?
Investor concerns over high valuations and capital expenditure in AI-related tech stocks have contributed to market weakness, with some tactical rotation to smaller segments.
What impact did the US-Iran ceasefire have on currency markets?
The dollar index remained near a one-year high, while the Japanese yen stayed weak due to intervention fears.
How are inflation and Federal Reserve policy influencing markets?
Elevated oil prices sustain inflation concerns, keeping pressure on the Federal Reserve to raise rates, which supports a stronger US dollar.

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