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China AI stock bubble bursts as STAR 50 plunges 40%, erasing billions in market value
What happened
According to Reuters, Chinese AI, robotics, and semiconductor stocks have suffered a steep sell-off in less than four months. The Shanghai STAR 50 Index has fallen about 40% from its June peak, wiping out approximately US$480 billion in market value across AI and semiconductor stocks, casting a shadow over Beijing's push to achieve global technology leadership. The source does not state the cause of the decline.
Impact and signal
High impactImpact score: 95/100
Affected components and suppliers
AI and semiconductor stocksrobotics stocks
STAR 50 IndexAI stockssemiconductor stocksrobotics stocksmarket sell-offChina
Source and time
Source: DigiTimes Asia · 10/29/2026 · View original source
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