HSI closed down 0.37%; Hang Seng Tech Index closed up 0.29% after an intraday rally of over 1%. PCB-related stocks led gains: Kingboard Holdings (00148.HK) +25%, Kingboard Laminates (01888.HK) +12%, Shenghong Technology (02476.HK) +12%. Building materials/cement outperformed: China National Building Material (03323.HK) +14%. Optical-communications names rose; Yangtze Optical Fibre & Cable (06869.HK) +9%. Lithium names strengthened in the afternoon; TTANQT LITHIUM (09696.HK) +4%. Internet mega-ca

HSI closed down 0.37%; Hang Seng Tech Index closed up 0.29% after an intraday rally of over 1%. PCB-related stocks led gains: Kingboard Holdings (00148.HK) +25%, Kingboard Laminates (01888.HK) +12%, Shenghong Technology (02476.HK) +12%. Building materials/cement outperformed: China National Building Material (03323.HK) +14%. Optical-communications names rose; Yangtze Optical Fibre & Cable (06869.HK) +9%. Lithium names strengthened in the afternoon; TTANQT LITHIUM (09696.HK) +4%. Internet mega-caps, Chinese brokerages, airlines, solar PV and AI names also outperformed. Lagging sectors included film, oil, ports, coal, innovative drugs and gold. Large-model AI stocks fell: Zhipu (02513.HK) -13%, MINIMAX-W (00100.HK) -8%.