特朗普突发，美股全线飘绿，黄金直拉

Market Overview - US stock markets experienced a collective decline, with the Dow Jones, Nasdaq, and S&P 500 indices each dropping over 1% at one point [1] - Major stocks such as Nvidia, Amazon, and AMD fell more than 2%, while Tesla and Meta dropped over 1% [1] Nasdaq and Chinese Stocks - The Nasdaq Composite Index opened at 21,086.58 and recorded a decline of 202.67 points, or 0.94% [2] - The Nasdaq Golden Dragon China Index also saw a decline of over 1% during the session, with NIO falling more than 1% [2] - NIO reported its Q2 2025 delivery figures of 72,056 vehicles, marking a year-on-year increase of 25.6% and a quarter-on-quarter increase of 71.2% [2] - The company's Q2 revenue reached 19.01 billion yuan, reflecting a year-on-year growth of 9.0% and a quarter-on-quarter growth of 57.9% [2] European Market - Major stock indices in the UK, France, and Germany also showed declines [3] Economic Indicators and Central Bank Actions - European Central Bank member Simkus indicated that economic risks are materializing, suggesting no immediate reason to adjust interest rates, with a potential discussion on rate cuts in October [5] - In the context of declining stock markets, gold prices saw a slight increase, rising over 0.6% [5] Cryptocurrency Market - Bitcoin experienced a short-term increase of 2.5%, trading at $111,200 per coin, while Ethereum rose over 2% to $4,383.93 [7] Political and Economic Developments - Former President Trump is expected to announce a "national housing emergency" to address the housing affordability crisis in the US [7] - A recent court ruling deemed much of Trump's global tariff policy illegal, which may lead to an appeal to the Supreme Court [7] - Upcoming US non-farm payroll data for August is anticipated to have significant implications, alongside key inflation data and Federal Reserve interest rate decisions in the coming days [7]