Korea Exchange activated its temporary trading-halt mechanism after KOSPI 200 index futures jumped 5%, triggering a 5-minute suspension of program trading.

Average rents for ordinary residences in China’s first-tier cities rose 0.16% MoM in May, the third consecutive monthly increase. On a Jan–May YoY basis, first-tier rents returned to modest growth of 0.21%, ending a two-year adjustment. Beijing, Shanghai and Shenzhen have driven the rebound, with residential rents climbing continuously since the March leasing season. Leasing fundamentals in first-tier cities are stabilizing, supported by concentrated high-quality industry and inflows of young workers.

A股光纤概念高开，唯科科技涨超9%，特发信息、亨通光电、菲利华、飞凯材料、锐科激光、致尚科技等个股跟涨。