不确定性强化，黄金资源品投资价值凸显，布局矿业ETF（561330）

Group 1 - The global macro environment has been uncertain since the beginning of the year, highlighting the investment value of gold and resource commodities [1] - The metal sector has undergone significant repricing and is now considered a high-quality asset with strong data support, characterized by high prosperity and anti-inflation properties [1] - Gold ETFs and mining-related products have seen active trading, benefiting from global risk aversion and de-dollarization trends, maintaining high investment enthusiasm for gold [1] Group 2 - The copper and aluminum industries are experiencing cyclical benefits, with copper prices expected to rise due to tightening raw material supply from global smelting capacity expansion between 2025 and 2027 [1] - The aluminum sector is benefiting from domestic capacity policies and increased investments in new energy and power grids, with a long-term trend towards the value of "green electricity aluminum" [1] - Emerging demand driven by AI servers is pushing tin prices upward, with global refined tin supply and demand expected to remain in a tight balance through 2026 [1] Group 3 - Mining ETFs (561330) focus on upstream resources, covering various commodities such as copper, gold, lithium, rare earths, and aluminum, providing stronger performance elasticity and diversified risk management [2] - The constituent stocks are primarily leading companies that directly own mineral resources, benefiting significantly during commodity price upcycles [2] - Investors are advised to maintain rationality in high-volatility resource markets and consider a phased investment approach, balancing long-term growth logic with short-term volatility [2]