By Anmol Choubey (Reuters) -Goldman Sachs lowered on Thursday its global copper mine supply forecast for 2025 and 2026 following a disruption at Indonesia's Grasberg, the world's second-largest copper mine. The incident, which occurred on September 8, trapped workers underground due to heavy mud flow, prompting operator Freeport-McMoRan to declare force majeure. The bank estimates there will be a total loss of 525,000 metric tons of copper mine supply as a result of the disruption, reducing its global m ...