交易所紧急出手，夜盘继续大跌

Core Viewpoint - The recent sharp decline in silver and other commodity futures is primarily driven by external macroeconomic factors and liquidity disturbances rather than domestic fundamentals [3]. Group 1: Market Reactions - On February 2, the main contract for silver futures on the Shanghai Futures Exchange (SHFE) opened and quickly fell by 20%, hitting the limit down [2]. - Other futures contracts, including tin, crude oil, fuel oil, and nickel, also experienced significant declines [2]. - The SHFE issued a notice urging market participants to enhance risk management and maintain market stability amid increased volatility [2]. Group 2: Price Movements - Gold prices peaked on January 29 at $5,598.75 per ounce but fell to around $4,600 by February 2 [3]. - Silver prices dropped from a high of $121.647 per ounce on January 29 to approximately $80 by February 2 [3]. - In the domestic futures market, the main gold contract reached a high of 1,258.72 yuan per gram on January 29, falling to about 1,050 yuan by February 2 [3]. - The main silver contract peaked at 32,382 yuan per kilogram on January 30, dropping to around 20,600 yuan by February 2 [3]. Group 3: Regulatory Actions - The SHFE proactively issued risk warnings and adjusted trading limits and margin requirements to mitigate external shocks [4]. - The exchange has implemented measures to monitor market risks and has taken regulatory actions against clients exceeding trading limits [5]. - Specific clients were penalized for engaging in manipulative trading practices, resulting in temporary trading suspensions [6].