China's AI stock bubble has burst, wiping out roughly $480 billion in market value over less than four months. The STAR50 index, which tracks AI and chip companies, fell 40% from its July peak. Companies like humanoid robot maker Unitree, GPU developers MetaX and Moore Threads, and optical parts firms Zhongji Innolight and Eoptolink saw steep losses. High valuations, weak real AI demand, export restrictions, and fears of price wars all contributed to the selloff. Retail investors who heavily bet on AI and chip stocks were hit particularly hard.
The crash has raised warning signs for US tech investors. The STAR50 still trades at around 100 times earnings, compared with roughly 30 for the Nasdaq 100. AI companies now make up 42% of China's market value and 57% of trading volume. US investors see similar concentration risks in funds like QQQ. Meanwhile, China's broader mainland stock market has lost about $2.4 trillion since May as doubts about AI growth continue to mount.
Billionaire Ken Griffin warned at Citadel's Future of Global Markets Conference that AI is almost certainly in a bubble. He advised investors to rotate from risky AI-related cryptos toward safer assets like Bitcoin, which has climbed back to $80,000. Griffin also pointed to the overlap between AI and blockchain as a promising area. Coinbase CEO Brian Armstrong has similarly highlighted synergies between the two technologies. Griffin cautioned against crypto projects that quickly pivot to AI, saying they could face wipeout if the bubble pops.
On the institutional side, major hedge funds are taking a measured approach to AI. Citadel, Bridgewater, and Man Group are expanding AI use in research and operations. Some Citadel teams have built AI versions of themselves for independent research. Bridgewater's AIA Labs is rolling out AI-driven processes across the firm. However, all three stress that human judgment remains essential. Citadel's interim CTO Andrew Janian said the firm maintains strict controls on its AI systems. Man Group's CIO Greg Bond warned against cognitive surrender, where workers rely too heavily on AI outputs instead of thinking for themselves.
In other AI news, Oracle and Google Cloud announced expanded database integration at Oracle AI World. The update connects Oracle AI Database with Gemini Enterprise and BigQuery, and a Gemini connector for natural language queries entered preview. iTrustCapital launched Q, a set of AI-based quantitative trading strategies for crypto clients. WISEcode opened the beta of its AI product for food and beverage companies, using The Food Genome Project to help brands analyze ingredients. Bill Gross urged AI firms to pay publishers for content, predicting Apple would lead the way. CapitaLand Investment also advanced its AI efforts, using tools like the Casey chatbot and reporting a 60% reduction in sales cycle time.
Key Takeaways
- China's STAR50 index fell 40% in under four months, erasing about $480 billion in market value tied to AI and chip stocks.
- The STAR50 still trades at roughly 100 times earnings versus about 30 for the Nasdaq 100, signaling extreme valuation risk.
- Ken Griffin warned AI is almost certainly in a bubble and suggested rotating into Bitcoin and AI-blockchain overlap assets.
- Citadel, Bridgewater, and Man Group are expanding AI use but stress human judgment remains critical for investment decisions.
- Citadel's interim CTO Andrew Janian said the firm keeps strict controls on its AI systems.
- Oracle and Google Cloud expanded database integration, connecting Oracle AI Database with Gemini Enterprise and BigQuery.
- iTrustCapital launched Q, AI-based quantitative trading strategies for BTC, ETH, SOL, XRP, and LINK in self-directed IRAs.
- China's broader stock market has lost about $2.4 trillion since May as AI doubts grow.
- Bill Gross predicted Apple would be the first major company to pay publishers for AI content use.
- CapitaLand Investment's AI Sales Agent reduced sales cycle time by about 60% as part of its Champions of AI initiative.
China's AI stock bubble bursts, erasing $480 billion in four months
China's AI-linked stock rally reversed sharply, with the STAR50 index falling 40% in less than four months. The drop wiped out around $480 billion in market value. High valuations, doubts about real AI demand and export restriction fears pushed investors to sell. Retail investors were hit hard after betting heavily on AI and chip stocks.
China's AI crash raises warning signs for US tech investors
China's STAR 50 index of AI and chip companies fell 40% from its July high, erasing about $480 billion. Humanoid robot maker Unitree and GPU developers MetaX and Moore Threads lost major value. The drop shows risks from extreme valuations, heavy theme concentration and crowded trading. US investors are watching similar warning signs in funds like QQQ.
China's AI stock collapse sparks worries for American portfolios
China's STAR 50 index dropped 40% from its July peak, wiping out roughly $480 billion in market value. AI champions including Unitree, MetaX and Moore Threads took heavy losses. The STAR 50 still trades at about 100 times earnings, compared with around 30 for the Nasdaq 100. US investors now face concerns about rising concentration in AI stocks.
China's AI stock bubble bursts as $480 billion vanishes
China's AI and semiconductor stocks lost about $480 billion in market value, ending a two-year rally. High valuations, weak AI demand, export restrictions and possible price wars fueled the selloff. Robot-maker Unitree lost half its value, while optical parts makers Zhongji Innolight and Eoptolink fell about 60%. The STAR50 index still trades at around 100 times earnings.
China's stock market loses $2.4 trillion as AI doubts grow
China's mainland stocks have lost about $2.4 trillion since May. The STAR 50 index of tech and chip companies fell 40% in under four months. AI companies make up 42% of China's market value and 57% of trading. The US has banned imports of foreign humanoid robots and is moving to ban Chinese optical parts from data centers.
Ken Griffin Warns AI Is in a Bubble and What Crypto Investors Should Do
Billionaire Ken Griffin spoke at Citadel's Future of Global Markets Conference in New York and said AI is almost certainly in a bubble. He suggested investors move from risky AI cryptos to safer ones like Bitcoin, which has risen back to $80,000. Griffin also pointed to the overlap between AI and blockchain as a promising area. He warned against crypto projects that quickly pivot to AI, saying they could be wiped out if the bubble bursts.
Ken Griffin Warns AI Is in a Bubble and Offers Crypto Investment Tips
Billionaire hedge fund investor Ken Griffin warned that the AI economy may be overheating and could lead to a major shakeout. He recommended investors rotate from AI into crypto, focusing on established names like Bitcoin. Griffin also suggested investing in companies and cryptocurrencies where AI and blockchain technology overlap. Key crypto figures like Coinbase CEO Brian Armstrong have also highlighted AI and blockchain synergies.
Big Hedge Funds Like Citadel and Bridgewater Are Using AI Carefully
Citadel, Bridgewater, and Man Group are expanding how they use AI in investment research and operations. Some Citadel teams have built AI versions of themselves to do independent research. Bridgewater's AIA Labs is spreading AI-driven processes across the organization. However, all three firms warn against relying too much on AI and stress that human judgment remains critical for investment decisions.
Citadel, Bridgewater and Man Group Expand AI Use but Warn of Overreliance
Citadel, Bridgewater Associates, and Man Group are growing their use of AI for research and operations. Speaking at a Bloomberg conference in New York, executives described how they deploy AI agents to improve efficiency. Citadel's interim CTO Andrew Janian said the firm keeps strict controls on AI systems. Man Group's CIO Greg Bond warned against cognitive surrender, where workers depend too much on AI outputs instead of thinking for themselves.
WISEcode Launches Beta of AI Product for Food and Beverage Companies
WISEcode, a FoodTechAI pioneer, opened the beta of WISEcode Intelligence, its first AI product for food and beverage companies. The tool uses The Food Genome Project, an ingredient-level map of the U.S. packaged food supply, to help brands analyze their products. Beta participants can check ingredient quality, regulatory status, and benchmark against competitors. It also helps brands see reformulations that could improve their scores.
Oracle and Google Cloud expand AI database integration
Oracle and Google Cloud announced new AI database capabilities at Oracle AI World. The update connects Oracle AI Database with Gemini Enterprise and BigQuery. A new Remote Model Context Protocol server is now generally available. A Gemini connector for natural language database queries entered preview. The integration aims to help businesses build autonomous AI workflows with secure real-time data access.
iTrustCapital launches AI crypto trading strategies
iTrustCapital introduced Q, a set of AI-based quantitative trading strategies. Q lets clients pick rules-based strategies that automatically buy or sell BTC, ETH, SOL, XRP, or LINK. The strategies use signals like price trends, volatility, and moving averages. No coding or external bots are required. Clients can use Q in self-directed IRAs and Premium Custody Accounts.
Bill Gross urges AI firms to pay publishers for content
Bill Gross criticized AI companies for using publisher content without payment. He compared the issue to the early Napster era for music. His company ProRata built a system to share revenue 50/50 with publishers. Gross predicted Apple would be the first major company to adopt this model. Data showed AI search engines crawl publisher sites far more than Google does.
EvoRouter improves multi-agent system efficiency
EvoRouter is a new framework for routing web queries across multiple AI agents. It uses insight-guided on-policy distillation to reduce compute costs. The system was tested on 19 datasets across five domains. EvoRouter achieved 68.69% average accuracy while cutting inference compute cost by 50.95%. Its code is open-sourced.
CapitaLand Investment advances AI and sustainability efforts
CapitaLand Investment was chosen for the Champions of AI initiative. The company launched the fifth CapitaLand Sustainability X Challenge. CLI is using AI tools like Casey chatbot and Cubby concierge to improve customer service. Its AI Sales Agent reduced sales cycle time by about 60%. Over 5,200 AI training sessions were held in 2026 to prepare employees for AI-enabled work.
Sources
- China AI bubble bursts as tech stocks erase $480 billion
- Investors Who Piled Into China’s AI Boom Just Watched About $480 Billion Vanish in Under Four Months. Are America’s AI Bulls Next?
- Investors Who Piled Into China's AI Boom Just Watched About $480 Billion Vanish in Under Four Months. Are America's AI Bulls Next?
- China’s AI stock bubble bursts: $480 billion wiped out | What went wrong, and is the selloff over?
- China's Stock Market Has Lost $2.4 Trillion as Investors Doubt Its AI Boom Will Ever Pay Off
- Billionaire Ken Griffin Says AI Is "Almost Certainly" in a Bubble. Here's What That Means for Crypto Investors.
- Billionaire Ken Griffin Says AI Is "Almost Certainly" in a Bubble. Here's What That Means for Crypto Investors.
- How big-name hedge funds like Citadel and Bridgewater are handling AI
- Citadel, Bridgewater and Man Group expand AI use but warn against…
- WISEcode Opens Beta of WISEcode Intelligence™, Its First AI Product for Food and Beverage Companies
- Oracle AI Database@Google Cloud: What's new at Oracle AI World
- iTrustCapital's Next Chapter Goes Beyond More Investments. Meet Q, AI-Formulated Quantitative Trading Strategies
- Who Pays for AI’s Inputs?
- EvoRouter: Cost-Efficient Multi-Agent Routing via Insight-Guided On-Policy Distillation
- CapitaLand Investment accelerates business transformation through AI and sustainability innovation
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