天天基金网·2025-12-20 02:51Market Overview - On December 19, U.S. stock indices rose collectively, driven by strong performance in AI-related stocks, with the Dow Jones up 0.38% to 48,134.89 points, the Nasdaq up 1.31% to 23,307.62 points, and the S&P 500 up 0.88% to 6,834.5 points [2] - For the week, the S&P 500 saw a slight increase of 0.1%, the Nasdaq rose by 0.5%, while the Dow Jones experienced a decline of 0.7% [3] Federal Reserve and Market Dynamics - New York Fed President Williams indicated no immediate urgency for further rate cuts, reinforcing market expectations for a pause in rate reductions [5] - On this trading day, over $7.1 trillion in nominal value of options contracts expired, marking a historical record, known as "Quadruple Witching Day," which typically amplifies market volume and volatility [5] AI Stocks Performance - AI stocks showed strong performance, with Nvidia rising by 3.93% to $180.99, bringing its market cap to $439.81 billion. The FTC approved Nvidia's investment in Intel, which is seen as significant support for the domestic semiconductor industry, although it raises competitive concerns for rivals like TSMC and AMD [6][8] - AMD increased by 6.15% to $213.43, with a market cap of $34.75 billion. The CEO visited China to discuss business development and cooperation [9] - Micron Technology surged by 6.99% to $265.93, reaching a historical high, with a market cap of $29.93 billion. The stock has risen 10.28% this week and 12.45% this month, aiming for its fifth consecutive month of gains [9] IPO Developments - Morgan Stanley is emerging as a competitive investment bank for SpaceX's potential IPO, leveraging its long-standing relationship with CEO Elon Musk. The underwriting arrangements are still being finalized, with several major banks, including Goldman Sachs and JPMorgan, competing for key roles [11]