A股午评：创业板指跌1.58%，超4000股下跌，光伏设备板块领跌

Core Viewpoint - The A-share market experienced a collective adjustment in the morning session, with all three major indices declining, indicating a bearish sentiment among investors [1] Market Performance - The Shanghai Composite Index fell by 0.24% to 3993.35 points, while the Shenzhen Component Index decreased by 1.07%, and the ChiNext Index dropped by 1.58% [1] - The total trading volume in the Shanghai and Shenzhen markets reached 12,702 billion yuan, an increase of 22 billion yuan compared to the previous day, with over 4,000 stocks declining across the market [1] Sector Performance - The oil and gas extraction and services, insurance, and pharmaceutical commercial sectors showed the highest gains [1] - Bank stocks strengthened, with Agricultural Bank's total market capitalization surpassing 3 trillion yuan [1] - Conversely, sectors such as cultivated diamonds, photovoltaic equipment, and controllable nuclear fusion experienced collective declines [1]