A股三大指数开盘涨跌不一，中国石化涨停

Market Overview - The three major A-share indices opened mixed, with the Shanghai Composite Index up by 0.09%, the Shenzhen Component Index down by 0.3%, and the ChiNext Index down by 0.69% [1] Sector Performance - The power equipment, oil and gas, and aerospace military sectors led the gains, with China Petroleum & Chemical Corporation (Sinopec) hitting the daily limit up [1] - China National Aviation Fuel and Sinopec received approval for restructuring [1] - Goldwind Technology also reached the daily limit up, while Northern Long Dragon rose over 9% and Aerospace Electronic increased by over 5% [1] - Conversely, the semiconductor, communication equipment, and electronic components sectors experienced significant declines, with Chip Source Microelectronics down over 5%, Dongtian Microelectronics down over 3%, and Cambridge Technology down over 2% [1]