美股反弹结束三日跌势，黄金白银价格双双回落

Market Performance - The US stock market saw an increase on Monday, with the S&P 500 index rising by 0.5%, the Dow Jones Industrial Average up by 515 points (1.1%), and the Nasdaq Composite gaining 0.6% [1] - The surge in stock prices was driven by several companies reporting profits that exceeded analyst expectations, particularly benefiting computer storage device manufacturers [1] Precious Metals - Gold prices experienced significant volatility, initially dropping below $4,500 per ounce before recovering to above $4,800, ultimately closing at $4,652.60, a decrease of 1.9% from the previous Friday [3] - Silver prices were even more volatile, falling by 9% overnight before slightly rising and then closing down by 1.9% [3] - Concerns over the Federal Reserve's potential loss of independence, high valuations in the US stock market, tariff threats, and global government debt burdens have driven investors to seek safer investments, impacting gold and silver prices [3] Company Highlights - SanDisk's stock surged by 15.4% after reporting profits that exceeded analyst expectations, continuing a previous gain of 6.9% [4] - Nvidia's stock fell by 4.9%, despite its chips being crucial for the global shift towards AI technology [4] - Carnival Corporation's stock rose by 8.1% and United Airlines' stock increased by 4.9% due to a significant drop in oil prices, which are expected to ease fuel costs for airlines [5] Economic Indicators - A report indicated that US manufacturing grew last month, contrary to economists' expectations of a contraction, leading to a slight increase in Treasury yields [5] - The 10-year Treasury yield rose to 4.28%, up from 4.26% at the previous close [5]