China Stock Market Today (November 18, 2025): Shanghai Composite and Hang Seng Slide as Global AI Sell-Off Hits Asia
China’s stock markets fell Tuesday, with the Shanghai Composite down 0.81% and Hong Kong’s Hang Seng Index losing 1.72%, its sharpest drop in over two weeks. The declines followed a global tech sell-off and concerns over high AI valuations. Shenzhen’s ChiNext board dropped 1.16%. Fresh data showed a slight improvement in China’s youth unemployment rate.