Core Viewpoint - The controlled nuclear fusion concept is experiencing a rebound, with companies like Guoguang Electric seeing a rise of over 10% in their stock prices due to recent advancements in fusion technology [1] Group 1: Industry Developments - The nuclear industry is witnessing a resurgence in interest, particularly in the controlled nuclear fusion sector, as evidenced by the stock performance of related companies [1] - The Southwest Institute of Physics has developed the world's largest "artificial sun" International Thermonuclear Experimental Reactor (ITER) and recently passed critical design reviews for key technologies and processes [1] Group 2: Company Performance - Guoguang Electric's stock increased by over 10%, indicating strong market sentiment towards companies involved in nuclear fusion technology [1] - Other companies such as Yongding Co., China Nuclear Engineering, Yingjie Electric, Hahai Welding, and Changfu Co. also experienced stock price increases, reflecting a broader positive trend in the sector [1]