全球铜供应遭遇冲击，矿业ETF（561330）盘中领涨超3%、有色60ETF（159881）涨超2.5%，机构：基本金属价格有所支撑

Group 1 - The core event involves a fatal landslide at Freeport McMoRan's Grasberg mine in Indonesia, leading to a significant increase in global copper prices and supply chain concerns [1] - The Grasberg mine, the second-largest copper mine globally, has suspended production due to the incident, and the company has invoked force majeure clauses [1] - Freeport anticipates that it will take until 2027 to restore production levels to pre-accident figures, with a projected 35% decrease in copper-gold output for 2026 compared to previous expectations [1] Group 2 - The Grasberg mine accounts for 50% of Freeport's proven reserves and approximately 70% of the expected production before 2029, indicating a long-term impact on global copper supply chains [1] - Citic Futures notes that the reduction in production guidance for the Grasberg mine will exacerbate tightening pressures in the copper market, despite slightly weak terminal demand since September [1] - The expectation of a tightening supply-demand balance is expected to support metal prices, with a focus on potential buying opportunities in copper, aluminum, and tin [1]