Grasberg mudflow kills seven and forces Freeport to cut 2026 copper guidance by 300 million pounds; the $2bn smelter advances despite reduced feed A September 2025 ore pass mud rush placed the block cave under force majeure; Freeport revised full-year copper to 3.1bn pounds and gold to 650,000 oz; Morgan Stanley downgraded on recovery uncertainty 何が壊れたか ·5 論調 ·6月26日