AI-Driven Tech Sell-Off Sends Global Markets Tumbling

On Tuesday, equity markets worldwide fell sharply after a broad sell-off in technology and artificial-intelligence (AI) stocks. The decline began in the United States on Monday and spread to Asia, pulling down major benchmarks. Alphabet, the parent of Google, continued its slide, while SpaceX’s shares, still volatile after the post-IPO surge, lost roughly 20 % of their value over the past week, erasing about $600 billion in market capitalisation. The S&P 500 closed down 1.4 %, and the Nasdaq Composite fell 2.2 %.

New York Times

The sell-off follows a prolonged rally in AI-focused companies and semiconductor manufacturers that propelled indices to record highs earlier in the year. Investors had increasingly linked growth expectations to AI breakthroughs, driving high valuations for firms at the forefront of AI software, hardware, and related services. The recent price action suggests that enthusiasm for AI may be reaching a saturation point, prompting a reassessment of funding prospects and growth narratives across sectors.

New York Times

• S&P 500: down 1.4 % at close.

New York Times

• Nasdaq Composite: down 2.2 %.

New York Times

• South Korea’s KOSPI: fell 10.5 %, triggering a 20-minute trading halt—the steepest single-day drop in the market since its strong performance began in early 2025.

New York Times

• SpaceX: share price slipped about 20 % in the past week, wiping out roughly $600 billion in market value.

New York Times

• Alphabet: continued its multi-day decline, contributing to the broader tech weakness.

New York Times

Geoffrey Yu, a strategist at BNY in London, warned that the current price action could signal “AI exhaustion,” raising concerns about the global economy’s capacity to sustain a diversified growth narrative amid tighter funding and fiscal constraints. His assessment underscores the link between AI-related equity performance and broader macro-economic confidence.

New York Times

Critics argue that the rapid escalation of AI valuations has outpaced realistic revenue projections, creating a bubble vulnerable to correction. The sharp pullback in both U.S. and Asian markets reflects a growing wariness among investors who fear that funding for AI ventures may tighten as central banks maintain higher interest rates and fiscal pressures intensify.

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

New York Times

Analysts anticipate that the near-term market will be shaped by earnings reports from leading AI firms, upcoming central-bank policy decisions, and the pace of capital allocation to AI research and development. Continued volatility is expected as investors balance optimism about AI breakthroughs against the reality of funding constraints and broader economic headwinds.

New York Times