美股终结五连阳！中概股走高

Core Viewpoint - The U.S. stock market is experiencing fluctuations near historical highs, with the S&P 500 index showing a weekly increase of 1.4%, marking its fourth weekly gain in five weeks [2][3]. Market Performance - On the first trading day after Christmas, the Dow Jones fell by 20.19 points (0.04%) to 48,710.97, the Nasdaq dropped by 0.09% to 23,593.10, and the S&P 500 decreased by 0.03% to 6,929.94, although it reached a new intraday high [2]. - The S&P 500 index has risen over 17% since the beginning of 2025, primarily driven by large-cap tech stocks, but recent gains are spreading to financial and materials sectors [3]. Economic Outlook - Analysts predict a 15.5% profit growth for S&P 500 companies in 2026, up from a forecast of 13.2% for 2025, indicating a positive outlook for corporate earnings [3]. - The market is closely watching the potential for a "Santa Claus rally," defined as an increase in the S&P 500 during the last five trading days of the year and the first two trading days of the following year [5]. Sector Performance - The recent market rally is attributed not only to the tech sector but also to financial and industrial sectors, which are benefiting from tax reforms and interest rate cuts implemented in the fourth quarter [5]. - In individual stock performance, Nvidia rose by 1.0% following a technology licensing agreement, while other tech stocks showed mixed results, with notable declines in Tesla (down 2.1%) and Meta (down 0.6%) [6]. Commodity Market - The precious metals market saw significant gains, with COMEX gold futures rising by 1.08% to $4,529.10 per ounce, and silver futures increasing by 7.68% to $76.48 per ounce [7]. - Copper prices also reached historical highs, with domestic copper prices nearing $6 per pound, driven by tariff policies and tight inventories [7].