AI-Driven Tech Stocks Trigger Global Market Sell-Off

On Tuesday, equity markets worldwide fell after a sell-off in technology and artificial-intelligence (AI) stocks spread from the United States to Asia. The decline followed a downturn that began on Monday in U.S. markets and quickly reverberated across major exchanges. Investors cited signs that enthusiasm for AI-focused firms may be reaching a limit, prompting a broad shift in market sentiment.

New York Times

For more than a year, AI and chip-making companies have propelled U.S. benchmarks to record highs, creating an outsized influence on the S&P 500 and Nasdaq. The rally, described as long but sometimes volatile, has been driven by expectations of rapid growth in AI applications. By mid-2026, investors noted that the market narrative was increasingly dependent on continued funding and favorable fiscal conditions for AI ventures.

New York Times

Alphabet was among the large U.S. tech firms that continued to decline on Tuesday, extending losses from the previous day. SpaceX, the rocket and AI company founded by Elon Musk, saw its share price fall roughly 20 percent over the past week, erasing about $600 billion in market value, though it closed the day up 1 percent at $156 per share. In South Korea, the KOSPI index, the country’s primary benchmark, dropped 10.5 percent, triggering a 20-minute trading halt by the exchange operator.

New York Times

When U.S. trading ended on Tuesday, the S&P 500 was down approximately 1.4 percent and the Nasdaq fell 2.2 percent. The Korean KOSPI’s 10.5 percent decline represented the most pronounced drop among global markets that day. SpaceX’s week-long 20 percent loss translated into a $600 billion reduction in market capitalization, while its modest 1 percent gain on Tuesday left the stock at roughly $156 per share. These moves illustrate the breadth of the tech-driven correction.

New York Times

Geoffrey Yu, a strategist at BNY in London, warned that the recent price action could signal AI exhaustion. He said that such a signal would likely increase concerns about the global economy’s ability to sustain a diversified growth narrative when funding becomes tighter and fiscal constraints tighten further.

New York Times

> “If today’s price action points to A.I. exhaustion, fears will grow concerning the global economy’s ability to generate a clear and diversified growth narrative amid tighter funding and fiscal constraints,” — Geoffrey Yu, Strategist, BNY, London

New York Times

Investors suggested that enthusiasm for AI companies may be approaching its limits, raising concerns that AI-centric valuations could be overstretched, especially as capital becomes tighter. The rapid decline in the KOSPI and the sizeable erosion of SpaceX’s market value underscore the vulnerability of markets heavily weighted toward AI and technology. Investors shifted focus away from the war in Iran, oil prices, interest rates and other recent concerns toward the sustainability of AI-driven growth. Investors continue to watch price movements in AI stocks and broader macro-economic indicators for signs of stabilization.

New York Times