A股收盘：北证50指数跌超6%，银行股逆势走强

Overall Market Performance - The market experienced fluctuations throughout the day, with the ChiNext Index dropping over 1% at the close, and the North Stock 50 Index declining over 6% [1] - A total of over 4,400 stocks in the Shanghai, Shenzhen, and Beijing markets fell, with a trading volume of nearly 1.14 trillion [1] - By the end of the trading session, the Shanghai Composite Index fell by 0.22%, the Shenzhen Component Index decreased by 0.72%, and the ChiNext Index dropped by 0.96% [1] Sector Performance - New consumption sectors, such as the pet economy, saw declines, with companies like Kexin Co., Ltd. dropping over 10% [1] - High-performing stocks continued to adjust, with Suzhou Longjie hitting the daily limit down [1] Notable Concepts - Bank stocks performed well against the trend, with several banks, including Shanghai Pudong Development Bank, Jiangsu Bank, and Chengdu Bank, reaching historical highs [1]