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Group 1 - The core viewpoint of the news is that spot silver experienced a significant drop, with a decline of up to 7%, falling below $88 per ounce, while spot gold also decreased, breaking below $4600 [1] - The Chicago Mercantile Exchange (CME Group) announced changes to the margin calculation method for futures contracts of gold, silver, platinum, and palladium, shifting from a fixed dollar amount to a percentage of the contract's nominal value [2] Group 2 - Factors driving the rise in silver prices include lower-than-expected U.S. CPI data for December 2025, increasing market bets on a Federal Reserve rate cut in March, and concerns over the independence and stability of Fed policies due to tensions between the U.S. government and the Fed [3] - The uncertainty brought by the U.S. government, ongoing debt issues, and a weakening position of the tech industry are expected to further weaken the dollar's credibility, which may continue to drive the monetary attributes of silver [3] - Long-term supply constraints in silver and the potential for demand growth from the reconstruction of overseas manufacturing are expected to support the fundamental supply-demand balance [3]