Workers work on a production line manufacturing smart automotive central control navigation products at a factory of Beidou Intelligent Connected Vehicle Technology Co. (BICV) in the High Tech Industrial Development Zone in Suqian, Jiangsu Province, China April 9, 2025.

China Daily | Via Reuters

China's technology stocks are losing their luster as investors question whether the country's artificial intelligence boom can deliver profits strong enough to justify lofty valuations.

The STAR 50 Index plunged over 40% from its July peak as concerns mount over returns on AI investments.…