美联储预防式降息符合预期，部分投资者获利了结导致工业金属价格回调

Core Viewpoint - The non-ferrous metal sector experienced a decline of 4.02% from September 15 to September 19, ranking low among all primary industries, with various sub-sectors showing mixed performance [2][5]. Summary by Category Overall Market Performance - The non-ferrous metal sector fell by 4.02% during the week, ranking low among all primary industries [2]. - Among the sub-sectors, energy metals increased by 1.25%, while metal new materials, industrial metals, precious metals, and small metals declined by 3.06%, 3.90%, 6.17%, and 7.66% respectively [2]. Industrial Metals - Demand for industrial metals is slowly recovering as the peak season approaches, but the recovery is weak. The recent interest rate cut in the U.S. led to profit-taking, resulting in a pullback in industrial metals [2]. - As of September 19, copper prices fell, with LME copper at $9,997 per ton (down 0.71%) and SHFE copper at ¥79,910 per ton (down 1.42%) [3]. - Supply constraints are expected as domestic copper smelting plants undergo maintenance, and the Grasberg copper mine in Indonesia is temporarily shut down due to an accident [3]. Aluminum - Aluminum prices recorded a decline due to dissipating sanctions sentiment against Russia and profit-taking following the interest rate cut. LME aluminum closed at $2,676 per ton (down 0.93%) and SHFE aluminum at ¥20,795 per ton (down 1.54%) as of September 19 [4][5]. - The theoretical operating capacity of China's electrolytic aluminum industry remained unchanged at 44.085 million tons, with slight increases in production utilization rates for aluminum products [4]. Precious Metals - Precious metals experienced a pullback due to profit-taking after the interest rate cut, with COMEX gold closing at $3,719.40 per ounce (up 1.05%) and SHFE gold at ¥830.56 per gram (down 0.44%) [6]. - The U.S. economic data exceeded expectations, contributing to the market's reaction to the interest rate cut, which is expected to benefit precious metals in the medium term [6].