Citigroup’s shift adds to signs that investors are rotating out of overheated regional tech trades and back into Hong Kong and mainland shares on hopes of stimulus, easing geopolitical risks and AI growth

Wall Street giant Citi adjusts its emerging market asset allocation, identifying China as benefiting from a broadening market rally.

Citigroup has downgraded South Korea to neutral after a year-long overweight stance, citing heightened volatility in AI-linked chip stocks and stretched valuations. While…