A-share fiber-optic sector rallied: Yangtze Optical Fibre hit the daily price limit and extended to a fresh record high; Sanfu and Tefa Information earlier hit limit-up; Han's Laser rose over 9%; Changjiang Communication and FiberHome also advanced.

Joint Maritime Information Centre (JMIC) said navigation is being disrupted and Iran's Islamic Revolutionary Guard Corps continues to make radio calls.

Chinese A-shares ended broadly lower as selling intensified. Shanghai Composite fell 1.37%, Shenzhen Composite dropped 3.17% and the ChiNext Index tumbled 3.84%. The nonferrous metals sector plunged, with China Rare Earth and multiple stocks hitting limit-downs. Pharmaceuticals led gains with several limit-ups including Lingkang Pharmaceutical; new materials were active and Huanghe Xuanfeng posted a second consecutive limit-up. Agriculture/animal husbandry, seed stocks and banks outperformed, while CPO-related names, power equipment, building materials, steel and media lagged. Roughly 2,600 stocks declined and turnover exceeded 3.4 trillion yuan.