China A-share fiber-optic sector jumped intraday; Dingtong Technology up >13%, Qiuguan Cable up >12%. Changguang Huaxin, Ligong Guangke, Yangtze Optical Fibre & Cable, Jiuzhiyang and Hengtong Optic‑Electric also advanced.

Abu Dhabi International Resources Holding’s Zambian unit, Mopani Copper Mines, was again awarded the largest copper concentrate export quota under Zambia’s exemption policy but said it does not plan to export the concentrate. Mopani said it will allocate the output to its own processing operations to strengthen domestic refining capacity, a stance unchanged since the first exemptions were announced in July last year.

Outplacement firm Challenger reported AI was the top stated reason for layoffs for a third consecutive month in May, with 38,579 AI-related job cuts—the highest monthly total since Challenger began tracking the category in 2023. AI layoffs made up 40% of May's announced cuts (versus 7% in January, 25% in March and 26% in April); year-to-date AI-related cuts total 87,714, or 22% of 2026's announced layoffs, already exceeding 2025's full-year AI tally of 54,836.