S&P 500, Nasdaq Decline as U.S.-Iran Tensions Boost Oil Prices, Hit Chip Stocks

The S&P 500 and Nasdaq Composite opened lower on Monday as escalating geopolitical tensions between the U.S. and Iran sparked a rise in oil prices and soured investor sentiment, particularly for technology shares.

Mixed Open for Major Averages

At the opening bell, the S&P 500 declined by 27.9 points, or 0.37%, to 7,547.53, according to a report from Reuters. The tech-heavy Nasdaq Composite saw a steeper drop, falling 193.3 points, or 0.74%, to 26,088.31.

In contrast, the Dow Jones Industrial Average bucked the negative trend, posting a modest gain of 39.5 points, or 0.08%, to 52,676.53.

Geopolitical Headwinds Drive Sentiment

The primary driver for the market's risk-off tone was a reported escalation between the United States and Iran in the Gulf. Such geopolitical uncertainty often prompts investors to move away from growth-oriented assets like equities and toward perceived safe havens.

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The development had an immediate impact on commodity markets, sending Brent crude oil futures surging by more than 3%. Higher energy prices can fuel inflation concerns and increase input costs for businesses, potentially weighing on corporate profits and broader economic activity.

Sector Spotlight: Chip Stocks Under Pressure

Semiconductor stocks were among the hardest-hit groups in early trading, contributing significantly to the Nasdaq's underperformance. The chip sector is often viewed as a bellwether for the global economy and is highly sensitive to geopolitical instability that could disrupt complex international supply chains.

The pressure on technology and growth stocks stood in contrast to the relative stability of the Dow, which is composed of more value-oriented and industrial companies.