美股收盘微跌，现货白银突破79美元关口

Market Overview - The US stock market experienced slight declines, with the Dow Jones Industrial Average down 0.04% to 48,710.97 points, the S&P 500 down 0.03% to 6,929.94 points, and the Nasdaq down 0.09% to 23,593.10 points [1][2]. - Year-to-date performance shows the Dow up 14.49%, the Nasdaq up 22.18%, and the S&P 500 up 17.82% [2]. Sector Performance - Major technology stocks mostly declined, with the US Tech Giants Index down 0.06%. Tesla fell over 2%, while Facebook, Google, Apple, and Microsoft also saw losses. In contrast, Nvidia rose over 1% and Amazon increased by 0.06% [3]. - Chinese concept stocks generally rose, with the Nasdaq China Golden Dragon Index up 0.71% and the Wind Chinese Tech Leaders Index up 1.23%. Notable gainers included XPeng Motors up over 6%, Dingdong Maicai up over 5%, and NIO up over 4% [3]. Commodity Market - In the commodity market, base metals saw gains, with Shanghai copper futures rising 3.33% to surpass 100,000 yuan/ton, marking a historical high. International copper also increased by nearly 3% [3]. - Precious metals performed strongly, with spot silver surpassing $79 per ounce, up over 10%. Both London gold and COMEX gold rose by over 1%, while spot palladium's gains expanded to 15% [3]. Oil Market - International oil prices continued to decline, with both WTI and Brent crude down over 2%, influenced by concerns over global supply surplus and a decrease in geopolitical risk premium. The International Energy Agency (IEA) projected that global oil supply will exceed demand by approximately 3.84 million barrels per day next year [4].