恒生指数早盘跌1.61% 燃气股逆市走高

Group 1: Market Overview - The Hang Seng Index fell by 1.61%, down 415 points, closing at 25,472 points, while the Hang Seng Tech Index dropped by 2.81% [1] - The early trading volume in the Hong Kong stock market reached HKD 153.2 billion [1] Group 2: Sector Performances - Gas stocks rose, with Zhongyu Energy (03633) increasing by over 10% due to the early start of winter heating in Gansu and other regions, leading to a peak in natural gas demand [1] - Newly listed stock Xuan Bamboo Biotechnology-B (02575) surged over 13%, reaching a new high, and has increased over 190% from its IPO price [1] - Medical stocks showed mixed performance, with Yaojie Ankang-B (02617.HK) rising over 21%, Baize Medical (02609) up over 5%, while Kangfang Biotech (09926) fell by 2% [1] - Kangning Jereh Pharmaceutical-B (09966) increased by over 13% after announcing a share buyback plan, with market attention on significant data from the ESMO conference [1] - Old Puhuang Gold (06181) rose over 4% due to enhanced channel development and an upgrade strategy, benefiting from rising gold prices [1] - Wanda Hotel Development (00169) increased by over 10% after completing a sale and announcing a special dividend of HKD 0.462 [1] - Delin Holdings (01709) rose over 3% after entering a strategic cooperation agreement with Antalpha to promote digital asset business [1] Group 3: Declining Stocks - Changfei Optical Fiber (601869) and Optical Cable (06869) fell over 6%, with a 40% drop from September highs due to declining fiber prices and shareholder sell-offs [2] - Cryptocurrency-related stocks collectively declined, with Bitcoin experiencing significant volatility and issues in the stablecoin market, leading to declines in stocks like Mi Strategy (02440) down 4.36% and OSL Group (00863) down 3.99% [2] - Chip stocks continued to decline, with SMIC (00981) down over 5% and Huahong (01347) down over 3%, impacted by accelerated semiconductor domestic substitution due to U.S. export controls [2]