暴跌！白银创近五年来最大单日跌幅！

Group 1 - International precious metal prices experienced a significant decline on December 29, with gold prices dropping below $4,500 and $4,400 per ounce, marking a decline of over 4.5% [2] - Silver futures saw a dramatic drop of over 8%, the largest single-day decline since February 2021, with intraday volatility reaching 15% [2] - Palladium futures, which have a smaller market size, experienced even more severe fluctuations, with prices falling over 16% [2] Group 2 - The decline in precious metal prices was attributed to profit-taking after previous price surges, increased implied volatility, and the introduction of various risk control measures by exchanges [3] - The Chicago Mercantile Exchange raised margin requirements significantly, with gold futures up by 10%, silver by approximately 13.6%, and platinum by about 23%, prompting many speculative investors to close positions [3] - Analysts suggest that the price drop may be a correction within an overall upward trend, although there are concerns that strong selling pressure in the following days could indicate a potential market top [3]