美股英伟达暴涨6%，引领纳指报复性反弹

Group 1 - The reopening of the Z government is expected to boost market sentiment and restore delayed economic data, providing more information for the Federal Reserve's December decisions [1] - Trump's proposal of "tariff dividends" aims to return tariff revenues directly to the public, enhancing consumer spending and investor confidence [1] - Nvidia's strong performance, particularly a 5.79% increase, has contributed to the market's upward movement [1] Group 2 - Nvidia has requested TSMC to increase the monthly production of its new Blackwell chips by 50%, indicating a significant demand increase [2] - Huang Renxun stated that market demand is expanding at an explosive rate, prompting major HBM chip suppliers to ramp up production [4] - The AI chip market is experiencing a reassessment of Nvidia's growth potential, positively impacting the overall tech sector [4] Group 3 - The optical communication sector is witnessing a surge, driven by the need for high-speed optical interconnects to support AI data centers [5] - Major cloud providers are expected to significantly increase their capital expenditures, with a forecast of $473 billion by 2027 [5] - Ciena (CIEN) and Credo Technology (CRDO) have seen substantial stock price increases, reflecting the strong performance of the optical communication sector [7][8] Group 4 - Robinhood plans to launch a new fund aimed at retail investors to access rapidly growing private AI companies, indicating a shift in asset management towards individual investors [11][12] - The fund will focus on a concentrated portfolio of top private companies, potentially using leverage to enhance returns [12] - Despite structural risks associated with the fund's design, there is strong investor interest in AI themes, suggesting a robust market for such financial products [13]