疯狂“蹦极”！振幅超100%！

Group 1 - The A-share market experienced a narrow fluctuation on June 26, 2025, with the defense and military industry sectors leading the gains, showing an increase of over 2% [4] - A new stock, Guangxin Technology, was listed on the A-share market, with its price surging over 500% during the trading session [5][6] - The Hong Kong stock market showed a lackluster performance, with the Hang Seng Index mostly declining, while several brokerage stocks exhibited significant volatility [10][12] Group 2 - Guotai Junan International's stock saw an astonishing rise of nearly 90% before unexpectedly dropping, with a trading range exceeding 100% [12] - On June 24, 2025, Guotai Junan International announced that its wholly-owned subsidiary, Guotai Junan Securities (Hong Kong) Limited, received approval from the Hong Kong Securities and Futures Commission to upgrade its license for providing virtual asset trading services [14] - Victory Securities in the Hong Kong market also experienced a sudden surge, with its price increasing by over 160% during the session [14] Group 3 - Guangxin Technology specializes in insulation fiber materials and their molded products, primarily used in power transmission systems, electrified railways, and military equipment [7][8] - The company has established long-term partnerships with leading transformer manufacturers, becoming a core supplier of insulation fiber materials and molded products [8]