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Global Market Insights

S&P 500 Rallies on Iran Deal as Oil Tumbles, June 16

June 16, 2026
05:51 PM
3 min read

Key Points

S&P 500 climbed 1.65% to 7,554.29 on Iran peace deal announcement.

Oil fell 4.9% to $80.75 as Strait of Hormuz reopens for trade.

Nasdaq surged 3.07% to 26,683.94 with tech stocks leading gains.

June 16 inflation data will determine Fed rate hike odds going forward.

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The S&P 500 jumped 1.65% to 7,554.29 on Monday after President Trump announced a tentative deal with Iran to end their conflict and reopen the Strait of Hormuz. Oil prices fell 4.9% to $80.75 per barrel on the news. Investors now watch June 16 for inflation data that could determine whether the Federal Reserve raises interest rates later this year.

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Oil Prices Collapse on Peace Agreement

U.S. crude fell to $80.75 per barrel, down 4.9% on Monday, after Trump authorized the reopening of the Strait of Hormuz. Brent crude dropped 4.8% to $83.17. The deal removes a major supply risk that had pushed oil above $100 per barrel just weeks earlier. Vice President JD Vance told CNBC the strait will open toll-free for the long term, though full energy industry recovery may take months.

Tech Stocks Lead the Rally

The Nasdaq Composite surged 3.07% to 26,683.94, its best day since March 31. Nvidia climbed 3.5%, providing the strongest push to the S&P 500. SpaceX extended its rally with a 20% jump after its public debut on Friday. The Dow Jones Industrial Average added 468.77 points, or 0.92%, to close at a record 51,671.03.

Inflation Data Could Shift Market Direction

June 16 marks a key date for markets as traders await inflation data that may signal Fed policy. The recent inflation uptick was tied to rising gasoline prices, but 3- and 5-year inflation expectations have declined to 2.40%, suggesting markets do not expect runaway inflation. Lower oil prices should ease consumer pressure and reduce the case for rate hikes.

S&P 500 Gains 78% Over Three Years

The S&P 500 has climbed 78% over the past three calendar years, driven by investor optimism about artificial intelligence. The index posted 41 new 52-week highs and only 3 new lows on Monday. However, the path has not been smooth, with first-quarter declines and recent volatility tied to geopolitical risks and rate hike concerns.

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Final Thoughts

The S&P 500’s 1.65% rally reflects relief over lower oil prices and reduced geopolitical risk. With inflation expectations stable and the Fed unlikely to raise rates soon, the data supports continued upside for equities in the near term.

FAQs

Why did oil prices fall so much after the Iran deal?

The deal reopens the Strait of Hormuz, removing supply concerns. U.S. crude fell 4.9% to $80.75 as traders priced in restored global oil flow and reduced geopolitical risk.

What is the S&P 500’s year-to-date return?

The S&P 500 is up over 8% in 2026, extending a three-year gain of 78% driven by artificial intelligence enthusiasm and strong corporate earnings growth.

Why is June 16 important for the stock market?

Inflation data released June 16 signals whether the Federal Reserve will raise rates. Lower oil prices should ease inflation pressure and reduce rate hike probability.

Disclaimer:

The content shared by Meyka AI PTY LTD is solely for research and informational purposes.  Meyka is not a financial advisory service, and the information provided should not be considered investment or trading advice.

About Author

Author

Danny Kontos

Co Founder

Danny Kontos has been a stock investor since 2007 and co-founded Meyka in 2023. He keeps a small, focused portfolio and only moves when the numbers are hard to argue with. He has waited years on a single position before. Before Meyka, he ran a web hosting company and a mortgage lending platform, so he knows what a well-run business actually looks like under the hood. This article did not come from a news cycle. It came from someone who has been watching this space for a long time.

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