Stock Market Crash? Iran-US Airstrikes Impact on S&P 500, Nasdaq, Dow Jones (2026)

Stock markets took a hit on Sunday night as tensions in the Middle East escalated, with Iran and the U.S. engaging in a series of airstrikes. The Strait of Hormuz, a crucial shipping route, was declared closed by Iran, causing a surge in crude oil prices. However, President Trump contradicted this claim, stating the strait remained open to commercial traffic. This uncertainty has traders on edge, with stock futures taking a downward turn.

The Dow Jones Industrial Average futures slipped 135 points, or 0.3%, while S&P 500 and Nasdaq-100 futures also saw declines of 0.3% and 0.5%, respectively. This comes as a surprise, given the recent bullish trends in the stock market. The S&P 500 had been on a four-week winning streak, and the Nasdaq Composite had climbed for four consecutive weeks. However, the Russell 2000 dropped 0.6%, indicating a more cautious sentiment among investors.

The immediate focus now shifts to corporate earnings reports, with major U.S. banks and prominent companies like Netflix, Johnson & Johnson, and UnitedHealth set to release their quarterly results. Analysts predict significant growth in S&P 500 profits, with an average estimate of over 23% year-over-year. The tech sector, particularly AI, is expected to play a pivotal role in driving these earnings, with increased mentions of AI across various sectors.

Despite the current market volatility, Fundstrat's Mark Newton remains optimistic about the near-term outlook for U.S. equities. He highlights the technical picture's strength, suggesting a breakout in the SPX is imminent. However, the Strait of Hormuz situation and the upcoming earnings season could continue to create uncertainty, impacting the market's trajectory.

In my opinion, the Iran-U.S. standoff and the Strait of Hormuz situation are significant factors that could influence global markets for an extended period. While the immediate impact on stock futures is negative, the long-term implications for energy prices and geopolitical stability are profound. The earnings season, particularly in the tech sector, will be crucial in determining whether the market can recover its bullish momentum or if these tensions will continue to weigh on investor sentiment.

Stock Market Crash? Iran-US Airstrikes Impact on S&P 500, Nasdaq, Dow Jones (2026)
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