集体爆发！

Group 1 - The core point of the article highlights a significant surge in Chinese brokerage stocks, with major firms like GF Securities, Huatai Securities, and CITIC Securities seeing increases of over 10% [4][6][7] - The Hang Seng Index closed at 26,622.88 points, up 1.89%, with a total market turnover of HKD 309.1 billion [2][3] - The surge in brokerage stocks coincides with a positive outlook from the People's Bank of China regarding capital market stability, emphasizing the use of securities and fund companies to maintain market stability [6][8] Group 2 - Alibaba's stock rose by 4.14% on September 29, with a trading volume of HKD 22.098 billion, following an upgrade from Morgan Stanley regarding its ADR target price due to optimistic growth expectations in its cloud computing business [9][11] - CATL (Contemporary Amperex Technology Co., Ltd.) saw a 3.11% increase in its stock price, supported by advancements in solid-state battery technology from Tsinghua University, which could enhance safety and energy density [12][14][15] - The Hong Kong Securities and Futures Commission imposed a fine of HKD 2.1 million on a brokerage firm for improper handling of client funds, highlighting regulatory scrutiny in the financial sector [16]