快讯：现货黄金失守4500美元/盎司大关 日内跌超7%

Core Viewpoint - The gold price has experienced a significant drop, falling below $4500 per ounce, with a daily decline exceeding 7% [5][11]. Group 1: Market Reactions - Multiple banks have issued urgent announcements in response to the sudden drop in gold prices [9]. - The Chicago Mercantile Exchange has taken emergency measures by significantly raising margin requirements for precious metal futures [9]. - The Shanghai Gold Exchange has also issued a sudden announcement amid the market turmoil [9]. Group 2: Price Movements - The current price of spot gold has fallen below the critical threshold of $4500 per ounce [5][11]. - The decline in gold prices follows a period of volatility, characterized by both sharp increases and decreases [9].