The second method is to build positions through pressure tactics. This method is mainly chosen when the popularity is low and pessimistic. When there are few orders at the opening, the main force will sell a certain amount of chips to lower the stock price, or when the opening is high and the closing is low, it will cause the main force to sell, resulting in an unsightly pattern. This will make retail investors believe that the downward trend is established and quickly sell their chips. The main force will then buy multiple small orders in the market. As shown in Figures 4 and 5;