Stocks Fall as Oil Rises Amid Iran War Uncertainty | March 23, 2026 Update

U.S. Equities retreated Tuesday, paring gains from the previous session as oil prices resumed their ascent amid continued conflict in Iran. The S&P 500 closed down 0.7%, while the Nasdaq Composite fell 0.9%. The Dow Jones Industrial Average lost 370 points, finishing the day down 0.8%.

The pullback followed a rally on Monday, spurred by President Donald Trump’s announcement via Truth Social that the U.S. And Iran had engaged in “incredibly good and productive conversations” toward resolving hostilities in the Middle East. The Dow had jumped 631 points, or 1.38%, on the news, with the S&P 500 and Nasdaq Composite similarly posting gains of over 1% each.

However, Iranian state media swiftly countered Trump’s claims, stating that no direct talks had taken place between the two countries. This discrepancy fueled investor uncertainty, particularly as reports of continued strikes between Israel and Iran surfaced following the president’s announcement, according to Israeli authorities.

Sources familiar with the matter told The Wall Street Journal that the U.S. Had facilitated a series of closed-door discussions with Iran through Middle Eastern intermediaries prior to Trump’s public statement. Despite this, Arab mediators reportedly expressed private doubts about the prospect of a swift agreement, citing significant differences between the two sides’ positions.

The shifting sentiment was reflected in oil markets. After tumbling on Monday in response to Trump’s initial comments, crude prices rebounded sharply on Tuesday. Global benchmark Brent crude futures rose more than 3% to trade above $103 a barrel, while West Texas Intermediate crude futures jumped 4% to above $92 a barrel.

Despite the momentary optimism, some analysts cautioned against assuming a swift resolution. Scott Chronert, a U.S. Equity strategist at Citi, stated on CNBC’s “Closing Bell: Overtime” that investors should remain cautious. “We still have a lot of wood to chop in terms of where oil prices end up shaking out; how those impact underlying economic conditions. So we think we’re okay for right now with this down 5% to 10% narrative, but we have to be on the lookout that the risks are still out there and are still pretty notable,” Chronert said.

The developments unfolded after a weekend in which President Trump had threatened military action against Iranian power plants should the Strait of Hormuz remain closed. Iran responded with threats targeting U.S. Infrastructure, escalating tensions in the region. The Strait of Hormuz is a critical waterway for global oil shipments, and its closure would significantly disrupt energy markets.

Investors are now awaiting upcoming U.S. Manufacturing data, scheduled for release Tuesday morning, and monitoring the final days of the earnings season, with GameStop (GME) set to report after market close. The ongoing conflict in Iran, however, continues to cast a long shadow over market sentiment.