China's AI stock slump signals global tech risks

China's stock market has fallen sharply in 2026, with the CSI 300 index down about 13%, despite global equities rising roughly 10% and AI-driven gains in other Asian markets. The decline has prompted state-backed buying and central bank support measures announced on November 2nd. The slump stems partly from tight fiscal policy, as China's deficit narrows by 1.4% of GDP this year, and a persistent property crisis, highlighted by Fitch's potential downgrade of Zhuhai Huafa Group's bonds. More concerning, China may be an early casualty of waning global enthusiasm for AI, as its open-source model-sharing approach has limited commercial revenues. China's struggles could foreshadow broader market trends, particularly if AI commoditization spreads and a crowded IPO pipeline tests investor appetite elsewhere. The country's experience suggests its idiosyncrasies may signal future challenges for global tech investors.