A股光纤概念盘中反复活跃，通鼎互联涨停，长盈通涨超10%，长进光子、永鼎股份、唯科科技、汇源通信等跟涨。

US President Trump said the plane he flies will face greater risk.

Hong Kong stocks fell after an early rally. The Hang Seng Index slipped 1.1% to 25,652.82 and the Hang Seng Tech Index fell 1.93% to 4,824.42. Market turnover was HK$210.9 billion versus HK$240.3 billion in the prior session. Oil and gas names outperformed; innovative drug names rallied intraday then retreated. Non‑ferrous metals were the weakest sector and led losses; new consumer, commercial aerospace, autos and defence also underperformed. Notable movers: CNOOC (00883.HK) +3.59%, Zai Lab (09688.HK) +5.28%, Laopu Gold (06181.HK) -8.49%, Zijin Mining (02899.HK) -5.80%, China Eastern Airlines (00670.HK) -5.57%, BYD Co. (01211.HK) -2.82%.