BUSINESS

Global markets tumble as China chip advances rattle tech

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Sources: 9

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Sources: 9

Global markets swung sharply this week after Chinese memory chipmaker CXMT surged 466% on its Shanghai debut, valuing it at about 3.3 trillion yuan (£365bn), and reports emerged that China had developed domestic deep-ultraviolet lithography tools, challenging ASML’s dominance. The news triggered a global sell-off in semiconductor and AI-linked stocks. South Korea’s Kospi fell 11.5% on Tuesday and another 6% Wednesday, while the Nasdaq entered correction on Thursday. Investor anxiety deepened amid reports Nvidia considered a $250bn financial backstop to OpenAI for a major datacentre project.

Prepared by Christopher Adams and reviewed by editorial team.

Timeline of Events

On July 27, 2026, Chinese memory chipmaker CXMT floated shares.
On July 27, 2026, Shanghai debut saw shares surge dramatically.
On July 28, 2026, South Korea KOSPI triggered sharp breakers.
On July 28, 2026, SK Hynix and Samsung registered drops.
On July 30, 2026, Nasdaq dropped more than ten percent.
On August 2, 2026, global financial markets faced semiconductor volatility.
On August 2, 2026, investors analyzed Nvidia and OpenAI financing.
Analysts expect continued volatility across global semiconductor stocks through months.
Regulators will closely monitor circular financing arrangements across tech sectors.
Experts predict memory chip pricing will face increased competitive pressure.

News Intelligence

Tech stock correction triggered widespread anxiety across US retirement portfolios.
Structural shifts could reduce domestic technology sector valuation premiums permanently.
Technology investors and semiconductor corporations face intense market uncertainty nationwide.
Prioritize official verified corporate filings over unverified social media speculation.