贵金属“高速飙车“，背后支撑力是什么？

Group 1 - The core focus of the article is on the significant rise in precious metals, particularly gold and silver, and the underlying factors driving this trend [1][3]. - Gold prices have surged, breaking the $4500 per ounce mark, while silver has seen a nearly 10% increase over the past month, reaching a historic high of $70 per ounce [3]. - A peculiar event occurred in the domestic market where a silver futures investment fund experienced a premium rate exceeding 50%, indicating extreme market sentiment and potential risks for investors [3][4]. Group 2 - The support for the precious metals surge is attributed to the declining US dollar index, which is approaching the 98 mark, leading to an increase in the value of dollar-denominated assets like gold and silver [4]. - The rapid appreciation of the Chinese yuan, which has risen to 7.01, is also noted as a contributing factor, as it challenges the 7 mark [4].