The hunt is on for new Asian equity winners from the artificial intelligence trade, as a technological shift and bubble fears reshape the investment universe.

As the massive stock rally unleashed by the launch of OpenAI’s ChatGPT enters its fourth year, leading regional beneficiaries including Taiwan Semiconductor Manufacturing Co. and SK Hynix Inc. are flagging. Investor attention is turning instead to smaller, lesser-known names such as MediaTek Inc. and Zhongji Innolight Co.