If the stock price is at a historical high, the turnover rate is increasing, and most of the shipments are bankers. Generally, when the stock price is relatively low, the stock price can't go up or down, and the turnover rate is increasing. This is a common method used by the main force to raise funds by shaking positions.

Banker refers to a large investor who can influence the financial securities market. It usually accounts for more than 50% of the circulation, and sometimes the control power of dealers may not reach 50%. Depending on the variety, generally 10% to 30% can control the market. Because of the huge volume of transactions and funds, there are few makers in the futures market. Bankers are also shareholders. Bankers usually refer to shareholders who hold a large number of outstanding shares. Bankers who own a stock can influence or even control its share price in the secondary market. Bankers and retail investors are a relative concept.