The United States and Iran reached a tentative peace agreement on Monday, prompting a rally in U.S. equity markets and a drop in oil prices [1, 2].

The deal is significant because it aims to end the Middle East war and reopen the Strait of Hormuz. These moves ease global energy-supply concerns and restore investor confidence in international stability [1, 3, 4].

U.S. stock exchanges responded immediately to the news. The Dow Jones Industrial Average closed at a record high [3]. Simultaneously, the S&P 500 and Nasdaq 100 both broke new all-time records [5].

Energy markets saw a sharp correction as the threat of supply disruptions diminished. Oil prices were on track for their largest monthly decline in six years, with the last comparable drop occurring in March 2020 [6].

Reports indicate the two sides were close to a 60-day agreement [6]. President Donald Trump and Iranian officials worked toward the preliminary framework to stabilize the region and reopen critical shipping lanes [1, 2].

Wall Street futures advanced over 1% as markets cheered the prospect of a diplomatic resolution [3]. The shift in sentiment reflects a broader move away from the volatility that characterized the conflict in the Middle East [3, 4].

The Dow Jones Industrial Average closed at a record high

The market reaction underscores how heavily global equities and energy costs are tied to geopolitical stability in the Strait of Hormuz. By securing a tentative 60-day window, the U.S. and Iran have provided a short-term safety valve for oil prices, though the long-term impact depends on whether this preliminary framework transitions into a permanent peace treaty.