上金所、中国黄金宣布调整！

Group 1 - Major gold companies are adjusting their precious metal buyback business rules, with China Gold announcing changes effective February 7, 2026, including the suspension of buyback services on non-trading days and the implementation of limit management on buyback transactions [1] - The buyback limit management will include daily cumulative buyback limits for individual customers and total limits for single transactions, with adjustments based on market conditions [1] - Another leading gold retailer, Caibai Jewelry, has also announced similar adjustments to its buyback business, effective February 6, 2026, including the same limitations and dynamic settings [1] Group 2 - Precious metal prices have experienced significant volatility due to multiple factors, including a decline in the US dollar index and investor buying on dips, with gold prices rising by 1.85% to $4979.80 per ounce and silver prices increasing by 0.24% to $76.895 per ounce on February 6 [2] - For the week, gold prices increased by 4.95%, while silver prices decreased by 2.08% [2] - The Shanghai Gold Exchange announced adjustments to margin levels and price fluctuation limits for certain contracts, effective February 9, 2026, with gold contract margins increasing from 17% to 18% and silver contract margins from 23% to 24% [2] Group 3 - Experts indicate that adjusting margin and price fluctuation limits is a common risk management tool in financial markets, aimed at conducting counter-cyclical adjustments to prevent systemic risks from significant market fluctuations [3]