In the early hours of a Tuesday morning in Seoul, the machinery of global finance shuddered as South Korea's benchmark index shed a tenth of its value, dragging with it the semiconductor giants that underpin the world's artificial intelligence ambitions. The tremor was not local — it rippled through Tokyo, New York, and beyond, carrying a question that markets had long deferred: whether the extraordinary sums being committed to AI represent genuine value creation or a collective act of faith outpacing reality. Nvidia, briefly the most valuable company on earth, yielded that distinction to Appl
BBC News
· Jul 28, 2026
· economy
· 2 min read
High
Sourcing: Verified
Chip stocks plunge as AI investment doubts trigger global selloff
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Technology
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Bias & Framing
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Geopolitical Impact
🌎
AI investment doubts trigger global chip stock selloff, with South Korea's market halted multiple times and Nvidia losing top valuation spot to Apple, raising questions about AI profitability and intensifying US-China semiconductor competition.
Escalation Risk
moderate
Confidence
HIGH
United States
South Korea
Japan
China
Global markets
Shift in tech dominance hierarchy as Apple displaces Nvidia; South Korean chip makers (Samsung, SK Hynix) face significant losses amid rising Chinese semiconductor competition; US-China tech rivalry intensifies as profitability concerns create market vulnerability for Western chip leaders.
Similar to the 2000 dot-com bubble burst when speculative tech investments collapsed, raising questions about whether transformative technologies could justify valuations; echoes 1980s semiconductor wars when Japan challenged US dominance.
Economic Lens
📈
Global chip stocks plunge amid AI investment profitability concerns, with Nvidia losing top market position to Apple as South Korean markets trigger circuit breakers.
Market Signal
bearish
Confidence
HIGH
Semiconductor Manufacturing
Artificial Intelligence
Technology Hardware
Data Centers
Cloud Computing
Potential delays in AI product launches and consumer tech innovations; possible price increases for chips and AI-enabled devices if supply chain disruptions occur; reduced competition from delayed AI investments may limit consumer choice in emerging tech sectors.
Governments may accelerate domestic semiconductor subsidies to reduce reliance on volatile Asian markets; regulators could implement stricter circuit breaker thresholds; potential antitrust scrutiny of dominant chip makers; increased focus on supply chain resilience and Chinese competition mitigation.