The US stock market declined on Thursday, March 5, 2026, with major indexes trading lower as investors reacted to escalating geopolitical tensions and rising oil prices linked to the ongoing conflict in the Middle East.
During the trading session, Dow Jones Industrial Average dropped sharply by around 600–800 points, while the S&P 500 fell roughly 0.6–0.9%. The Nasdaq Composite also slipped about 0.4–0.6%, reflecting a broader risk-off mood across financial markets.
The decline comes just a day after Wall Street saw a modest rebound, making the latest fall a reversal driven largely by fresh geopolitical developments.
Escalating Middle East conflict weighs on markets
Investor sentiment turned cautious after reports of renewed escalation in the conflict involving the United States, Israel and Iran, which has raised concerns about prolonged instability in the region.
Recent developments including missile attacks, explosions in Gulf countries, and threats to major energy routes have increased fears that the conflict could expand further.
Markets are particularly sensitive to risks surrounding the Strait of Hormuz, a key global oil shipping route through which a significant portion of the world’s crude supply passes.
Oil price surge raises inflation fears
One of the biggest triggers behind the market decline has been the rise in oil prices.
Brent crude has climbed toward the $84 per barrel level, as traders price in the risk of potential disruptions to energy supplies from the Middle East.
Higher oil prices tend to raise inflation concerns, which could delay potential interest rate cuts by the US Federal Reserve, putting additional pressure on equity markets.
Investors shift toward safer assets
Amid rising geopolitical risks, investors have been moving money into traditional safe-haven assets such as gold and government bonds, leading to selling pressure in equities.
The market volatility indicator, commonly known as the VIX or “fear index,” has also risen, reflecting increased uncertainty among investors.
Cyclical sectors lead declines
Losses have been most visible in cyclical sectors such as industrials and financial stocks, which are more sensitive to economic uncertainty.
While energy companies may benefit from higher oil prices, broader equity markets remain under pressure as investors assess the potential economic impact of prolonged geopolitical tensions.
Markets watching geopolitical developments
With the Middle East conflict entering a critical phase, traders and analysts say geopolitical developments are likely to remain a key driver for global markets in the near term.
Any escalation affecting energy supplies, shipping routes or global trade flows could continue to influence stock markets worldwide.