Wall Street Ends Mixed as Iran Tensions, OpenAI IPO Filing, and Inflation Concerns Weigh on Markets

Wall Street closed mixed on Tuesday after a volatile trading session dominated by geopolitical tensions, weakness in technology stocks, and growing investor focus on upcoming U.S. inflation data. Market sentiment deteriorated after President Donald Trump vowed a response to an alleged Iranian attack that reportedly downed a U.S. military helicopter, while enthusiasm surrounding artificial intelligence stocks continued to fade.

The S&P 500 slipped 0.3% to finish at 7,385.48, recovering from an intraday decline of more than 2%. The Nasdaq Composite fell 1% to 25,678.82 as technology and semiconductor shares faced renewed selling pressure. Meanwhile, the Dow Jones Industrial Average gained 0.1%, ending at 50,870.94 after recovering from earlier losses.

Investor concerns intensified after Trump stated that Iran had shot down a U.S. Apache helicopter near the Strait of Hormuz. Although both pilots were reported safe, Trump said the United States would respond. The comments reduced optimism surrounding potential diplomatic progress between Washington and Tehran, particularly regarding negotiations over Iran’s nuclear program and the reopening of the strategically important Strait of Hormuz.

Oil prices moved lower despite the heightened tensions. Brent crude fell 2.7% to $91.75 per barrel, while West Texas Intermediate crude dropped 3.1% to $88.49. Markets continue to monitor developments in the Middle East, as disruptions in the Strait of Hormuz remain a major concern for global energy supplies and inflation.

The technology sector also faced pressure as a recent rebound in semiconductor stocks lost momentum. Analysts noted that artificial intelligence-related companies have been responsible for much of the stock market’s gains in 2026. However, the sector has become increasingly vulnerable to concerns about higher interest rates and profit-taking.

OpenAI attracted significant attention after confidentially filing for a U.S. initial public offering. The move follows a similar filing by AI rival Anthropic and highlights continued investor interest in artificial intelligence. However, market observers cautioned that demand for AI-related stocks may not be as strong by the time OpenAI launches its public offering later this year.

Investors are now turning their attention to key U.S. inflation reports, including the Consumer Price Index (CPI) and Producer Price Index (PPI), scheduled for release later this week. These reports are expected to play a crucial role in shaping expectations for Federal Reserve interest rate policy.

Among notable stock movers, Apple shares fell 3.6% after investors reacted cautiously to announcements made during the company’s Worldwide Developers Conference. In contrast, J.M. Smucker surged 10.4% after issuing stronger-than-expected annual profit guidance. Cancer drug developer Nuvalent also posted strong gains after agreeing to a $10.6 billion acquisition by pharmaceutical giant GSK.

As markets navigate geopolitical uncertainty, inflation concerns, and shifting sentiment toward AI stocks, investors remain focused on economic data and central bank policy for clues about the next direction of Wall Street in 2026.