黄金疯狂涨价，金价突破每盎司4,000美元

Group 1 - Gold prices have reached a historic high of over $4,000 per ounce due to investor concerns over global economic and political uncertainties, marking a one-third increase since April when tariffs were announced [1] - The surge in gold prices is the largest since the 1970s, with spot gold prices rising to over $4,036 per ounce during Asian trading hours [1] - Investment in gold-backed financial products, such as ETFs, has reached a record $64 billion this year, indicating a shift in how investors are allocating their funds [1] Group 2 - Historical trends show that during U.S. government shutdowns, investors tend to flock to safe-haven assets like gold, with a notable 4% increase in gold prices during a previous shutdown in Trump's first term [3] - The overall strength of gold is significantly influenced by central banks purchasing gold to mitigate reliance on U.S. Treasury bonds and the dollar, with purchases exceeding 1,000 tons annually since 2022, compared to an average of 481 tons from 2010 to 2021 [3] - Major buyers of gold in the past year include Poland, Turkey, India, Azerbaijan, and China, reflecting a strategic shift among nations towards gold accumulation [3]