Early gains faded into weakness at midday. Shanghai Composite -0.19%, Shenzhen
Composite -0.19%, ChiNext -0.33%. Oilfield services jumped: Qianneng Hengxin and
Keli rose over 10%, Zhongman Petroleum hit the daily limit. Lithium miners
advanced; Shengxin Lithium Energy and Guocheng Mining hit limits. Power‑grid
equipment triggered a string of limit-ups—Taiyang Cable, Hanlan, Xinya Cable and
more than 10 stocks rose to limits—after release of a 15th Five‑Year Plan for
renewable energy development. Other outperformers included precious metals,
batteries, chemical feedstocks, gas and steel. Semiconductors plunged; Huahong
Hongli fell over 12%. Largest losers included weight‑loss drugs, Kimi, CRO,
gaming, CPO and AI application sectors. Half‑day turnover on the
Shanghai/Shenzhen bourses was about 1.45 tln yuan, down roughly 323.0 bln yuan
versus the same time yesterday. About 3,200 stocks advanced and 2,100 declined.