金属普涨，期铜盘中触及一周低点，受美国信贷担忧拖累【10月17日LME收盘】

Core Viewpoint - The London Metal Exchange (LME) saw most base metals decline, with copper hitting a one-week low, influenced by concerns over credit pressures in U.S. regional banks, leading to a negative sentiment in the market [1][4]. Group 1: Market Performance - On October 17, LME three-month copper fell by $42.5, or 0.4%, closing at $10,604.5 per ton, with an intraday low of $10,430, marking a 2% drop and the lowest since October 10 [1][2]. - Other base metals also experienced declines, with three-month aluminum down by $11.00 (0.39%), zinc down by $39.50 (1.33%), and tin down by $735.00 (2.05%) [2]. Group 2: Economic Indicators - Copper is viewed as a barometer for the global economy, with recent supply concerns pushing prices to a 16-month high of $11,000 per ton last week [1]. - Recent reports indicate a temporary easing of supply concerns, as copper inventories at the Shanghai Futures Exchange increased by 550 tons, reaching the highest level since April [4]. Group 3: Market Sentiment - The environment is characterized by a general risk aversion, with high-risk assets under pressure due to concerns over the U.S. economic situation [4]. - The spread between spot copper contracts and three-month forward contracts widened, indicating a decrease in immediate demand for copper [4].