Group 1 - CME Group is changing the margin setting method for gold, silver, platinum, and palladium futures contracts due to soaring precious metal prices and increased trading volatility [1] - The new margin method will be based on a percentage of the nominal value, replacing the previous fixed dollar amount approach [1] - This change will take effect after the market closes on Tuesday and is described as a normal assessment of market volatility to ensure adequate collateral coverage [1] Group 2 - Recent price surges in precious metals have been unusual, with gold and silver reaching record highs, and silver increasing by approximately one-fifth in 2026 [1] - Factors driving the current metal price surge include concerns over a weakening dollar, prospects of further interest rate cuts in the U.S., and the independence of the Federal Reserve [2] - Market speculation regarding potential U.S. import tariffs on silver has also contributed to its increased attractiveness [2]