欧美股市多数下跌，芯片股深夜爆发，美光科技市值突破4000亿美元，中概股普跌，白银跳水

Market Overview - US stock indices collectively declined, with the Dow Jones down 0.29%, S&P 500 down 0.38%, and Nasdaq down 0.66% [1] - Major technology stocks mostly fell, with the US Tech Giants Index down 0.3%, Apple dropping over 1%, and Google nearly 1% [2] - Chinese concept stocks experienced a significant drop, with the Nasdaq Golden Dragon China Index down 1.15% [3] Semiconductor Sector - Semiconductor stocks surged, with Micron Technology rising 7.8%, marking its market cap surpassing $400 billion and a year-to-date increase of over 27% [2][3] - Other semiconductor companies like SanDisk and Seagate reached historical highs, while Broadcom, Applied Materials, and ASML closed up over 2% [2] Precious Metals and Commodities - Precious metals saw a sharp decline, with silver prices dropping 2.7% and briefly falling below $87 per ounce [6] - Basic metals like lithium carbonate fell nearly 9%, while LME tin dropped over 4% [6] - International oil prices increased, with WTI crude up 0.24% and ICE Brent crude rising over 0.6% [6] Cryptocurrency Market - Major cryptocurrencies showed mixed performance, with Bitcoin and Ethereum down about 0.1%, while SOL increased over 2% [6] - The trading volume in the cryptocurrency market continued to decline, with over 90,000 liquidations occurring in the past 24 hours, primarily affecting long positions [6] Economic Commentary - Former Federal Reserve official Patrick Harker stated that it is not appropriate for the US to pursue significant interest rate cuts at this stage, warning against external pressures on the Fed [6]