Stock market today: Dow, S&P 500, Nasdaq rise on hopes of US-Iran talks, oil drops below $100

March 26, 2026 - 03:52

Major U.S. stock indices climbed in Monday's trading session, buoyed by potential diplomatic developments in the Middle East. Investor sentiment improved following reports that the United States has initiated contact with Iran in an effort to de-escalate regional tensions and halt ongoing conflicts.

This prospect of renewed dialogue spurred a sharp pullback in global oil prices, with Brent crude falling below the key threshold of $100 per barrel. The drop in energy costs alleviated some market fears over persistent inflationary pressures and the potential for broader economic disruption. The shift allowed investors to focus on corporate earnings and other fundamental drivers.

The Dow Jones Industrial Average, S&P 500, and Nasdaq Composite all posted solid gains for the day. The rally was broad-based, with particular strength in sectors sensitive to economic growth and consumer spending, which stand to benefit from lower fuel prices. While the situation remains fluid and geopolitical risks persist, the market's positive reaction underscores the significant impact that energy costs and international diplomacy have on financial valuations. Analysts caution that the optimism hinges on tangible progress in negotiations.