美股芯片股深夜爆发，中概股多数下跌，国际油价大跳水跌5%

Market Performance - The three major US stock indices experienced slight gains, with the Dow Jones up by 0.6%, the S&P 500 up by 0.26%, and the Nasdaq up by 0.25% [1] - The Dow closed at 49,442.44, the Nasdaq at 23,530.02, and the S&P 500 at 6,944.47 [2] Technology Sector - Major tech stocks showed mixed results, with Nvidia rising over 2% while Google fell nearly 1% [2] - The Philadelphia Semiconductor Index increased by 1.76%, reaching a new historical high, with notable gains from companies like Kioxia Semiconductor (up over 7%), ASML (up over 5%), TSMC (up over 4%), and AMD (up nearly 2%) [2] Chinese Stocks - The Nasdaq Golden Dragon China Index declined by 0.6%, with significant drops in stocks such as Brain Rebirth (down over 14%), Tencent Music (down nearly 5%), and Kingsoft Cloud (down over 4%) [3] - Conversely, companies like Hesai Technology (up over 7%) and Bawang Tea (up nearly 4%) saw gains [3] Commodities - Gold and silver prices fell, with spot gold down 0.24% to $4,615.5 per ounce and spot silver down 0.79% to $92.4 per ounce [3] - International oil prices saw a significant drop, with both WTI and Brent crude oil falling over 4%, with WTI closing at $59.19 per barrel [3] Regulatory News - The US Treasury Department announced sanctions against multiple individuals and entities related to Iran's oil and petrochemical exports [3] - The US military reported the seizure of an oil tanker in the Caribbean, marking the sixth such seizure since late 2025 [3] Cryptocurrency Market - Major cryptocurrencies experienced a collective decline, with Bitcoin dropping below $96,000, currently priced at $95,511 per coin, and over 120,000 traders liquidated in the past 24 hours [3][4] Federal Reserve Outlook - The probability of a 25 basis point rate cut by the Federal Reserve in January is at 5%, while the probability of maintaining the current rate is at 95% [4] - By March, the cumulative probability of a 25 basis point cut rises to 20.8%, with a 78.4% chance of no change [4] Economic Insights - Despite potential negative impacts from US tariffs, the Federal Reserve's expected rate cuts in late 2025, along with tax reductions and deregulation, may benefit employment and income growth [5] - The effects of previous rate cuts typically take 3 to 6 months to manifest, indicating that unless there is significant deterioration in employment or a notable decrease in inflation, rate cuts in the first quarter are unlikely [5]