CSI AI Index falls 3% as Chinese AI shares retreat amid valuation fears

China’s AI stock rally has hit a wall. The CSI Artificial Intelligence Index dropped sharply on June 26, pulling broader Chinese equity markets down with it, as investors took stock of stretched valuations and intensifying competition in the global AI race. What actually happened The CSI Artificial Intelligence Index, which tracks AI-related stocks listed in China, declined 4.6% on June 26. That is a significant single-day move for an index that had been on a historic run, gaining approximately 120% over the preceding year. The CSI 300, China’s benchmark for large-cap equities, fell 3% on the same day. The Shanghai Composite lost 2.3%. Hong Kong markets joined the retreat, with notable selloffs in AI and chip-related names listed there as well. The ChinaAMC CSI Artificial Intelligence ETF, one of the primary vehicles retail and institutional investors use to gain exposure to this theme, would have tracked closely with the index decline. Why this is happening now The proximate cause is a combination of valuation anxiety and competitive pressure. After a 120% run over twelve months, the CSI AI Index was pricing in a lot of good news. Throughout 2026, Chinese AI and semiconductor stoc...