爆发！昨夜，最火赛道，大幅反弹！

Group 1: Stock Market Performance - The US stock market saw a collective rise on December 19, with the Dow Jones Industrial Average up 0.38% to 48,134.89 points, the S&P 500 up 0.88% to 6,834.5 points, and the Nasdaq up 1.31% to 23,307.62 points [1] - European indices also experienced slight gains, with the German DAX up 0.39% to 24,293.56 points, the French CAC40 up 0.01% to 8,151.38 points, and the UK FTSE 100 up 0.61% to 9,897.42 points [1] - The Nasdaq Golden Dragon China Index rose 0.86%, with notable individual stock performances including Pony.ai up nearly 12% and Hesai Technology up over 7% [1] Group 2: AI Sector Developments - Oracle's stock rose over 6% following the announcement of a joint venture with TikTok, which includes Oracle, Silver Lake, and MGX [3] - Nvidia's stock increased by approximately 4%, amid reports of the Trump administration reviewing the company's export of advanced AI chips to China [3] - CoreWeave's stock surged over 22%, while other AI-related companies like AMD and Broadcom also saw gains [4] Group 3: Other Notable Company Movements - Nike's stock fell over 10% after the company projected a decline in sales [5] - Morgan Stanley is expected to lead the underwriting for SpaceX's IPO, leveraging its long-standing relationship with CEO Elon Musk [6][7][8] Group 4: Commodity Market Insights - Gold futures rose by 0.1% to $4,368.7 per ounce, with a weekly increase of 0.9%, while silver futures increased by 3.34% to $67.395 per ounce, marking an 8.55% weekly rise [10] - Oil prices also saw a rebound, with West Texas Intermediate crude up 0.96% to $56.54 per barrel and Brent crude up 1.01% to $60.1 per barrel [10]