开盘：美股周五开盘涨跌不一 12月非农数据不及预期

Economic Data - The U.S. non-farm payrolls increased by 50,000 in December, which is below the expected 73,000 according to a Dow Jones survey [3][7] - The unemployment rate decreased from 4.6% to 4.4%, which is lower than the anticipated 4.5% [3][7] - The December non-farm payroll report indicates a slight slowdown in the labor market but remains stable, potentially guiding the Federal Reserve towards interest rate cuts later this year [3][7] Trade Policy and Legal Developments - Investors are awaiting a potential ruling from the U.S. Supreme Court regarding the legality of tariffs imposed by President Trump, which could impact trade policy and national fiscal conditions [3][7] - The ruling may disrupt ongoing negotiations with partner countries and could lead to a "refund dispute" over approximately $150 billion in tariffs already paid by importers if the decision is unfavorable to Trump [3][7] - Wells Fargo's Chief Equity Strategist Ohyung Kwon noted that companies have adopted a wait-and-see approach regarding the tariff legality, which may change post-ruling, potentially restarting the manufacturing cycle as companies begin to replenish inventories [3][7] Company Updates - Generac's stock rose over 3% after Baird upgraded its rating to "outperform," citing unique catalysts including opportunities from commercial and industrial diesel generators [4][8] - This upgrade marks the second rating increase for Generac within two days, following a "buy" rating from Citigroup [4][8] - The overall U.S. stock market showed mixed results, with the Nasdaq Composite Index declining by 0.4% due to drops in tech stocks like Nvidia, Palantir, and Broadcom, while the Dow Jones increased by approximately 270 points, or 0.6% [4][8]