继续跌！现货白银周一盘初跌4.5%，现货黄金跌1.4%

Group 1 - The core event is a significant market crash in gold and silver prices, with gold experiencing a maximum intraday drop of over 12% and closing down by 9.25% on January 31 [4] - Silver faced an even more severe decline, with a maximum intraday drop of 36% and ultimately closing down by 26.4%, resulting in a loss of over a quarter of its market value [4] Group 2 - Following the historic crash, the CME has raised the margin requirements for trading gold and silver [5] - The volatility in gold and silver prices has led to increased caution among banks, with some warning about risks and reporting that certain physical gold products are sold out [5]