1, the main cost line can let you know the approximate position cost of the main force, which has certain reference value for you to control the risk of stock investment.

2, however, the main force may also be stuck, and the main force may also cut the meat and leave. The main force is not omnipotent, and it will also make mistakes and losses.

3. You should analyze the trend of individual stocks by mastering the main cost line, manage money scientifically, control risks, earn more and lose less, and finally achieve the goal of profit.