A股光纤概念股反复活跃，长飞光纤涨停续刷历史新高，三孚股份、特发信息此前封板，大族激光涨超9%，长江通信、烽火通信跟涨。

Hong Kong stocks closed lower; HSI fell 1.82% and the Hang Seng Tech Index dropped 3.3%. Total turnover HKD 334.36 billion. Sector action: storage, PCB, nonferrous metals, chip and AI names weakened; tea beverages, pharmaceuticals and mainland banks outperformed. Notable movers: 02005.HK up >7%; 00175.HK (Geely) and 02097.HK up >2%; 00100.HK MINIMAX-W down >16%; 06809.HK and 02476.HK down >12%; 03993.HK (China Molybdenum) down >10%.

Hong Kong power-equipment stocks mostly fell: Xinyi Solar (00968.HK) down over 5%, Dongfang Electric (01072.HK) down over 4%, Flat Glass Group (06865.HK) and Weichai Power (02338.HK) down over 3%.