US-Iran Ceasefire Optimism Boosts Stocks and Oil Markets

Global financial markets experienced volatility on April 10, 2026, as investors reacted to a shaky ceasefire agreement between the United States and Iran. While initial reactions to the truce sparked a worldwide rally, Wall Street indexes wavered on Friday afternoon amid uncertainty regarding the long-term stability of the deal.

As of 1:29 p.m. Eastern on April 10, 2026, the Dow Jones Industrial Average fell 309 points, or 0.6%. The S&P 500 declined 0.2% in afternoon trading, putting the index on pace for a weekly loss. Conversely, the Nasdaq composite rose 0.2%.

The Nasdaq’s modest gain was supported by high-value technology stocks that offset losses in other sectors. Nvidia shares rose 2.2%, and Broadcom shares increased by 4.8%.

Initial Market Surge and Oil Price Collapse

The current wavering follows a period of significant gains triggered by President Donald Trump’s decision to pull back from threats of devastating attacks against Iran. Following the announcement of the ceasefire, the Dow Jones Industrial Average surged 1,300 points in a worldwide rally.

Oil prices, which had been a primary driver of market volatility, plunged below $95 per barrel after the ceasefire was announced. Prices had previously surged because shipping through the Strait of Hormuz had essentially stalled since the conflict began.

Geopolitical Context and the Strait of Hormuz

The market turbulence began after the United States and Israel attacked Iran at the end of February 2026. In response, Tehran effectively closed the Strait of Hormuz, a narrow waterway in the Persian Gulf that serves as a critical trade route between the Middle East and global markets.

Approximately 20% of the world’s traded crude oil and a similar share of natural gas pass through the Strait of Hormuz, linking Middle Eastern producers to markets in North America, Europe, and Asia.

President Trump has paused strikes on Iran for two weeks to allow for diplomatic efforts. The current ceasefire is viewed as a fragile precursor to planned weekend ceasefire talks scheduled to take place in Pakistan.

Broader Economic Trends

Despite the volatility on April 10, 2026, major indexes have gained ground over the preceding two weeks. As of April 9, 2026, the Dow Jones Industrial Average turned positive for the year.

The S&P 500 has erased the majority of the losses it sustained during March. The index is currently 2.4% below its all-time high, which was established in January.