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Oil rises, stocks mixed as new US strikes dampen peace deal optimism - Finance news and analysis from Global Banking & Finance Review
Finance

Oil rises, stocks mixed as new US strikes dampen peace deal optimism

Published by Global Banking & Finance Review

Posted on May 26, 2026

4 min read

· Last updated: May 26, 2026

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S&P 500, Nasdaq nab record closing highs, WTI crude falls on hopes for Iran peace deal

Market Overview and Key Developments

By Stephen Culp

NEW YORK, May 26 (Reuters) - The S&P 500 and the Nasdaq advanced on Tuesday, parting ways with their European counterparts, and falling West Texas Intermediate crude prices diverged from spiking Brent oil prices as investors weighed optimism over an imminent U.S.-Iran peace deal against risks the tenuous ceasefire could collapse.

U.S. Market Performance

Tech shares, lifted by surging chip stocks, put the Nasdaq out front, while the S&P 500's gains were more modest. The blue-chip Dow was in negative territory.

The S&P 500 and the Nasdaq clinched all-time closing highs.

Expert Commentary

"WTI is down, but Brent is up, gold is down, but silver is slightly higher, the Dow is down, but the S&P and Nasdaq are up," said Sam Stovall, chief investment strategist of CFRA Research in New York. "It's almost like the asset classes are diversifying by being a little long in one and short in the other, which indicates to me that the market's not really sure what should happen."

"If we do get a true agreement between the U.S. and Iran, then I think the market is ready to take off," Stovall added.

Geopolitical Tensions and Oil Markets

The fragile truce between the United States and Iran was imperilled after the U.S. conducted what it called defensive strikes, which Iran called a "gross violation" of the seven-week-old ceasefire. Even so, both sides indicated progress toward an agreement that would stop the war and resume shipping through the blockaded Strait of Hormuz.

Economic Data and Global Markets

U.S. Consumer Sentiment

U.S. CONSUMER SENTIMENT DARKENS

Economic data on Tuesday showed the mood of the American consumer, whose spending accounts for 70% of the U.S. economy, darkened slightly in May amid mounting inflation concerns.

Major Index Performance

The Dow Jones Industrial Average fell 117.29 points, or 0.23%, to 50,462.41, the S&P 500 rose 45.92 points, or 0.61%, to 7,519.39 and the Nasdaq Composite rose 312.21 points, or 1.19%, to 26,656.18.

European Markets

European shares dipped on fears that the U.S. missile strikes in southern Iran could disrupt peace negotiations and extend the Strait of Hormuz blockade, which sent Brent crude prices higher and fueled inflation worries.

Investors were also weighing comments from European Central Bank board member Isabel Schnabel, who said the central bank should hike rates in June, even if a U.S.-Iran peace deal is reached.

MSCI's gauge of stocks across the globe rose 3.32 points, or 0.3%, to 1,121.47.

The pan-European STOXX 600 index fell 0.57%, while Europe's broad FTSEurofirst 300 index fell 15.66 points, or 0.62%.

Commodities and Currencies

Oil Prices

Brent crude prices spiked after settling 7% lower in the previous session. In contrast, U.S. WTI oil slid from Friday's close. There was no WTI settlement on Monday due to the Memorial Day holiday.

U.S. crude fell 2.81% to settle at $93.89 per barrel, while Brent settled at $99.58 per barrel, up 3.58%.

Bond Yields

U.S. Treasury yields fell as hopes for a deal to reopen the strait helped soothe inflation fears.

The yield on benchmark U.S. 10-year notes fell 8 basis points to 4.493%, from 4.572% late on Friday.

The 30-year bond yield dropped 5.4 basis points to 5.0283% from 5.082% late on Friday.

The 2-year note yield, which typically moves in step with interest rate expectations for the U.S. Federal Reserve, fell 8.2 basis points to 4.045%, from 4.127% late on Friday.

Currency Markets

The dollar firmed amid dimming hopes for a near-term resolution to the Middle East conflict.

The dollar index, which measures the greenback against a basket of currencies including the yen and the euro, rose 0.1% to 99.14, with the euro down 0.09% at $1.1632.

Against the Japanese yen, the dollar strengthened 0.25% to 159.29.

Cryptocurrencies

In cryptocurrencies, bitcoin fell 1.63% to $75,946.11. Ethereum declined 1.66% to $2,072.64.

Precious Metals

Gold prices fell as energy-driven inflation stoked rate hike bets amid faltering hopes for a U.S.-Iran peace deal.

Spot gold fell 1.36% to $4,508.39 an ounce. U.S. gold futures fell 0.44% to $4,501.10 an ounce.

(Reporting by Stephen Culp in New York; Additional Reporting by Elizabeth Howcroft and Rae Wee; Editing by Joe Bavier, Matthew Lewis, Rod Nickel)

Key Takeaways

  • U.S. conducted self‑defense strikes on missile sites and mine‑laying boats in southern Iran, undercutting hopes for an imminent peace breakthrough (apnews.com).
  • Reports suggest the U.S. and Iran may reopen the Strait of Hormuz about 30 days after a ceasefire deal, though markets remain cautious (marketscreener.com).
  • Oil rose—Brent futures climbed above $97/barrel—but volatility persists amid geopolitical uncertainty and inventory pressures (axios.com).

References

Frequently Asked Questions

Why did oil prices increase on Tuesday?
Oil prices rose as new US strikes in the Middle East reduced optimism for a US-Iran peace deal, raising concerns about supply disruptions.
What impact did US strikes have on stock markets?
Stocks were mixed globally, with some indices advancing and others falling, as investors weighed the potential for prolonged conflict versus a possible peace deal.
How did global currencies react to the US-Iran situation?
The US dollar steadied on renewed safe-haven demand, while the euro and sterling eased slightly amid ongoing geopolitical uncertainty.
What was discussed in the US-Iran talks?
Officials discussed a plan to open the Strait of Hormuz about 30 days after reaching a peace deal, but significant uncertainties remain.
How did bond and commodity markets respond?
Bond yields were largely steady, gold prices fell, and concerns persisted over inflation and fiscal risks from ongoing geopolitical tensions.

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