Hong Kong-listed new-energy vehicle shares slipped: Li Auto (02015.HK) down over 4%, NIO-SW (09866.HK) down over 3%, SERES (09927.HK) and Xiaomi Group (01810.HK) down over 2%, XPeng (09868.HK) down 1.5%.

A-share lab-grown diamond sector remained active; Huanghe Xuanfeng recorded five limit-up hits in six sessions, Huifeng Diamond rose over 15%, and Sifangda, Zhongbing Hongjian and Liliang Diamond also gained.

China A-shares closed lower after intraday weakness: Shanghai Composite -0.73%, Shenzhen Composite -1.81%, ChiNext -2.11%, STAR 50 Index -5.04%. Combined turnover RMB3.32tn, up >RMB350bn vs prior session; more than 3,800 stocks declined. Retail led gains with Dongbai Group and Bubugao at limit-up and China Tourism Group Duty Free, Zhongbai Group and China Merchants Shekou also rising. Baijiu names recovered; Jiugui Liquor hit the daily limit, with China Resources Jiangzhong, Jinhui Liquor, Yingjia Distillery and Shede Spirits advancing. Power stocks reversed to rally, with several provincial generators and Huaneng International posting limit-ups. Semiconductor names opened higher then tumbled, several including Fudan Microelectronics down >10%. Optical/optoelectronics were weak all day, with BOE Technology (BOE A), Rainbow and Asia Optical among limit-downs. BC battery, advanced packaging, lithography and commercial aerospace themes were among the heaviest decliners.