Group 1 - The nuclear power sector experienced a general decline, with China National Nuclear Power (02302) down 6.63% to HKD 4.79, Dongfang Electric (01072) down 5.79% to HKD 22.8, and Shanghai Electric (02727) down 4.84% to HKD 3.93 [1] - Elon Musk publicly criticized nuclear fusion power, stating that building small nuclear fusion reactors on Earth is economically foolish, as the Sun itself is a massive, free nuclear fusion reactor capable of meeting all energy needs in the solar system [1] - Nvidia is set to hold an AI power shortage summit, highlighting global electricity supply and demand issues, with a focus on long-term opportunities in power-related assets [1] Group 2 - The report from Guotai Junan pointed out that the current challenges facing the U.S. power system, driven by increasing electricity demand from AI and extreme weather, create a "trilemma" of decarbonization goals, grid reliability requirements, and cost-speed demands from AI data centers [1]