Major stock indexes declined on Friday as mounting geopolitical tensions in the Middle East and rapid advancements in Chinese artificial intelligence technology triggered a broad market sell-off.

Key Points

• The Dow Jones Industrial Average fell 0.7%, while the S&P 500 and Nasdaq dropped 1% and 1.4%, respectively, to end the week lower.
• Chipmakers including Samsung, TSMC, AMD, and Broadcom saw significant share price declines amid concerns over Chinese AI competition.
• Brent crude oil prices surged 3.9% to $87.44 per barrel following reports of military strikes between the United States and Iran.
• Apple briefly overtook Nvidia as the most valuable U.S. company, with Nvidia’s market capitalization reaching $4.908 trillion.
• Chinese firm Moonshot released an open-source AI model, intensifying fears that China is closing the technological gap with U.S. leaders like OpenAI and Anthropic.

Why it Matters

The combination of escalating conflict in the Persian Gulf and the narrowing AI advantage threatens to disrupt global supply chains and long-term tech sector profitability. Investors are increasingly cautious as rising energy costs and potential market bubbles create significant volatility for major portfolios.