Goldman Sachs has lowered its global copper supply forecast for both 2025 and 2026, citing recent disruptions at the world’s second-largest mine.Production at the Grasberg mine in Indonesia has been under suspension since Sept. 8 after a landslide unleashed 800,000 tonnes of mud into the Block Cave area, trapping seven workers and causing severe damage across the mine’s infrastructure.US-based Freeport McMoRan (NYSE: FCX), the mine’s operator, immediately halted mining activities to prioritize the rescue of ...