In a move that caught markets off guard, U.S. stocks had their strongest day of 2026 on Monday, April 13, after news broke of a ceasefire between the U.S. and Iran. Late Sunday, President Donald Trump announced that a fragile two-week truce—originally negotiated in Islamabad—would now continue indefinitely following what he described as “productive back-channel talks.” The update quickly shifted market sentiment, with investors moving out of safe-haven assets and back into equities.
The reaction was immediate. The S&P 500 jumped 2.8% to around 6,797, recovering much of the volatility seen in recent weeks. The Dow Jones Industrial Average rose 1,128 points (2.4%) to 48,112, while the Nasdaq Composite led gains with a 3.1% climb, finishing above 22,500. Smaller companies also saw strong momentum, with the Russell 2000 up 3.7%, a sign that the rally wasn’t limited to big tech. Trading volume on the New York Stock Exchange surged well above normal levels, pointing to broad repositioning across the market.
This kind of move isn’t unusual after geopolitical tensions ease. Historically, markets tend to sell off when conflicts escalate, only to rebound once there’s a clear path toward de-escalation. That pattern has played out in past events—from the 2020 Soleimani strike to the 2019 Saudi Aramco attacks, and even back to the Gulf War in 1991. Recent weeks had been dominated by concerns over oil prices and inflation tied to the conflict, so the ceasefire gave investors the clarity they’d been waiting for.
Oil drops, energy stocks pull back
Oil prices reacted sharply. Brent crude fell more than 8% early in the session, slipping below $90 per barrel for the first time since February. West Texas Intermediate (WTI) dropped to around $86. Much of the earlier concern had centered on the Strait of Hormuz, a critical route for global oil supply. With those risks easing, energy stocks took a hit: Exxon Mobil fell 4.2%, Chevron dropped 3.9%, and the broader energy sector also moved lower.
Lower oil prices are a mixed bag. They weigh on energy companies, but they’re generally positive for the broader economy. Gas prices are expected to fall in the coming weeks, which could ease inflation pressures and give consumers a bit more breathing room.
Gains spread across the market
The rally wasn’t confined to one sector. Tech stocks bounced back, helped by expectations that stabilizing energy costs could support continued investment in areas like AI. Nvidia rose 4.1%, extending its recent momentum.
Travel and consumer-related stocks also performed well. Airlines like Delta and United gained between 5% and 7%, while companies in hospitality and cruises, such as Marriott and Carnival, climbed around 4%. Cheaper fuel and improved confidence tend to boost demand in these areas, especially heading into the summer season.
Meanwhile, assets typically seen as “safe” moved in the opposite direction. Gold prices fell 2.3%, the U.S. dollar weakened slightly, and Treasury yields edged higher as investors shifted away from bonds.
Global markets respond
Markets outside the U.S. followed a similar pattern. European indexes rose solidly, with gains in both the Stoxx Europe 600 and Germany’s DAX. In Asia, results were more mixed overnight, but key markets like Hong Kong and Tokyo still ended higher. There’s also growing optimism that lower oil prices could help ease economic pressure in China.
Implications for the economy and the Fed
The timing of the ceasefire is important. Before the announcement, rising oil prices had been fueling concerns that inflation might stay elevated, potentially limiting the Federal Reserve’s ability to cut rates. Now, with energy costs coming down, expectations have shifted. Markets are increasingly betting on a possible rate cut as early as June.
Lower fuel prices could also support economic growth in the near term by boosting consumer spending. That said, the situation remains fragile. Any renewed tensions could quickly reverse these gains.
What investors should keep an eye on
For investors, the takeaway is fairly clear: markets remain highly sensitive to geopolitical developments. The sharp drop in energy stocks is a reminder of how volatile that sector can be, while the broader rally highlights the benefit of diversification.
Cyclical stocks and smaller companies may continue to benefit if lower costs and stronger consumer demand hold. At the same time, attention will turn back to inflation data and upcoming Fed decisions, which will likely shape the next phase of the market.
Final thoughts
The ceasefire has given markets exactly what they needed—some clarity and a break from uncertainty. While it’s far from a permanent solution, the immediate impact has been significant, fueling a broad rally and easing pressure on key areas like energy and inflation.
For now, the mood on Wall Street has clearly shifted. But as history has shown, situations like this can change quickly, so staying cautious while taking advantage of opportunities remains the best approach.