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Group 1 - The core viewpoint of the news is that the recent surge in precious metal prices has prompted regulatory actions to mitigate market risks, particularly in the silver and gold markets [2][3]. - The London silver spot price has recently surpassed $79 per ounce, with a year-to-date increase exceeding 170% [2]. - The Shanghai Futures Exchange has issued notifications to enhance risk control measures, including adjustments to margin requirements and price fluctuation limits for trading during the New Year period [2][3]. Group 2 - The recent historic rise in precious and non-ferrous metals has led to increased market volatility, prompting the Shanghai Futures Exchange to raise trading margins and price limits for gold and silver [3]. - Analysts highlight that the current market dynamics reflect a combination of global liquidity expectations, structural supply-demand tensions, and short-term speculative trading [3]. - The exchange's proactive measures aim to enhance market resilience and prevent significant price fluctuations due to concentrated capital movements, especially during sensitive periods like year-end [3].