突发跳水！背后，发生了什么？

Market Overview - The A-share market experienced a significant drop after the Shanghai Composite Index briefly surpassed 3700 points, leading to a decline in over 4600 stocks [2][3] - As of the market close, the Shanghai Composite Index fell by 0.46%, the Shenzhen Component Index by 0.87%, and the ChiNext Index by 1.08% [2] Market Statistics - A total of 735 stocks rose, with 52 hitting the daily limit up, while 4648 stocks declined [3] - The total trading volume reached 23062.83 billion, with a total trading amount of 152614.8 million [4] Sector Performance - Digital currency concept stocks showed strength, with Hengbao Co., Ltd. hitting the daily limit up [4] - Brain-computer interface concept stocks remained active, with Innovation Medical sealing the board [6] - Robotics concept stocks saw localized activity, with Wolong Electric Drive hitting a historical high [7] - Semiconductor stocks surged, with Cambrian rising over 10% [8] Market Dynamics - The index's breakthrough of the 3700-point level is seen as a significant resistance point since 2021, with potential for short-term adjustments due to a lack of strong trading volume [10] - There is a noticeable trend of residents moving deposits into equity markets, with non-bank deposits increasing significantly while resident deposits decreased [10] - Some banks have issued warnings against the use of credit card funds for stock market investments, indicating regulatory scrutiny [10]