Stock market today: Dow, S&P 500, Nasdaq futures fall as 4-week down spiral continues, Trump threatens Iran

March 23, 2026 - 03:55

U.S. stock futures fell sharply on Wednesday, extending a punishing four-week losing streak for major indices. The downward spiral is being driven by heightened geopolitical risks and their immediate impact on global energy markets.

Fresh threats from former President Donald Trump aimed at Iranian energy infrastructure have rattled investor confidence. These comments have intensified existing market anxieties, contributing to a sharp rise in crude oil prices. The specter of potential disruption to critical oil supplies in an already tight market is forcing a broad reassessment of economic risks.

This surge in oil prices acts as a tax on consumers and businesses, stoking fears of persistent inflation and more restrictive monetary policy from the Federal Reserve. The combination of sticky inflation data, ongoing geopolitical instability, and the prospect of prolonged higher interest rates continues to pressure equity valuations.

The Dow Jones, S&P 500, and Nasdaq futures all pointed to a lower open, signaling that the recent corrective phase is not yet over. Investors are retreating to safe-haven assets as they brace for increased volatility, with many adopting a cautious stance until the economic and geopolitical picture becomes clearer. The market's focus remains squarely on the dual threats of inflation and international instability.