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Stocks rise, dollar at six-week high as focus remains on US-Iran talks

Published by Global Banking & Finance Review

Posted on May 22, 2026

3 min read

· Last updated: May 22, 2026

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Stocks and Oil Prices Surge as Markets Eye Progress in US-Iran Talks

Market Reactions to US-Iran Peace Talks

By Ankur Banerjee

Asian and Global Stock Market Movements

SINGAPORE, May 22 (Reuters) - Asian stocks rose on Friday while the U.S. dollar sat near six- week highs and oil prices were whipsawed as investors held on to hopes of a breakthrough in U.S.-Iran peace talks although both sides remained at odds over key issues.

The worry for investors remains the near closure of the Strait of Hormuz, a critical artery for the world's energy supplies, that has sent oil prices soaring and rewired the global interest rate outlook because of inflationary concerns.

Diplomatic Developments and Investor Sentiment

U.S. Secretary of State Marco Rubio said there had been "some good signs" in talks to end the nearly three month old war in the Middle East but differences remain over Tehran's uranium stockpile and controls over the waterway.

Stock Index Performance

In stock markets, MSCI's broadest index of Asia-Pacific shares outside Japan was 0.3% higher, set for a modest weekly rise. Japan's Nikkei gained 2%.

U.S. stocks futures rose 0.2% and European futures gained 0.8%.

Expert Commentary

Chris Weston, head of research at Pepperstone, said it increasingly feels as though the news flow is gradually trending towards something tangible that markets can ultimately price with greater conviction.

"Although confidence levels are still not especially high," Weston cautioned.

Oil Price Volatility and Energy Market Impact

Oil prices rose in early trading on Friday after dropping sharply as conflicting messages on the talks keep investors guessing. They remain well above pre-war levels where they are expected to remain even if a resolution is announced.

Brent crude futures rose 2% to $104.71 a barrel but were set for a 6% drop in the week. U.S. West Texas Intermediate futures were up 1.66% at $98.01. [O/R]

Inflation and Interest Rate Outlook

Prolonged energy disruptions as the war drags on threaten to feed through to prices across the globe, spurring traders to price in rate hikes in developed and emerging markets.

Markets are now pricing in possible rate hikes from the U.S. Federal Reserve by the end of the year versus expectations of two rate cuts before the war.

Financial Expert Analysis

"We’re seeing an unusually strong linkage between oil prices and global rates, reflecting how broad-based and borderless this shock has become," said Mitch Reznick, Head of Fixed Income at Federated Hermes.

"What initially appeared to be a shift in inflation expectations is now feeding directly into realised inflation, reinforcing the view that central banks will need to keep policy tighter for longer to restore price stability."

Currency and Bond Market Movements

That has lifted Treasury yields and boosted the dollar, which also benefits from safe-haven demand. The euro was at $1.1614 in early trading, close to the six week low it hit on Thursday, set for a 1% drop this month.

Against a basket of currencies, the dollar was at 99.247. The Japanese yen last fetched 159.11 per U.S. dollar.

Japanese Economic Data

Data on Friday showed Japan's core inflation slowed to four-year low in April, complicating the outlook for the Bank of Japan's rate-hike path.

(Reporting by Ankur Banerjee in Singapore; Editing by Kim Coghill)

Key Takeaways

  • Markets remain on edge amid hopes and doubts over U.S.‑Iran negotiations, keeping stocks and oil volatile.
  • The effective closure of the Strait of Hormuz has triggered the largest energy disruption in decades, threatening sustained inflation and tighter global central bank policy. (IEA labels it ‘greatest global energy security threat in history’)
  • Japan’s April core inflation slowed to a four‑year low, complicating the Bank of Japan’s rate‑hike plans even as global energy tensions persist.

Frequently Asked Questions

Why are global stocks rising during US-Iran talks?
Stocks are rising as investors hope for a breakthrough in US-Iran peace talks, though uncertainties remain over key issues.
How are oil prices reacting to the US-Iran situation?
Oil prices are volatile, rising due to concerns about the Strait of Hormuz and prolonged energy disruptions resulting from the conflict.
Why is the US dollar at a six-week high?
The US dollar is strong due to higher Treasury yields and safe-haven demand amid inflation fears related to ongoing geopolitical tensions.
What impact is the conflict having on global interest rates?
Traders are now expecting possible rate hikes due to inflation and ongoing war, reversing previous expectations of rate cuts.
How is Japan affected by current market trends?
Japan's core inflation has slowed to a four-year low, complicating the Bank of Japan’s path for future rate hikes.

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