If there is a negative package, you can't judge the trend of the market and individual stocks after watching it for a day or two; If there is a similar K-line on the daily or weekly line, it is very likely that it will continue to fall the next day or the second week. Large-cap stocks are on the rise, and those who often cover the sky with yin and yang often rise sharply the next day. If large-cap stocks are in a downward trend or sideways at a high level, they are likely to continue to fall.

It takes days, weeks or even months to judge the trend. Of course, in Dow's theory, there are short-term midline and long-term trend, and the short-term trend is difficult to judge. Friends who don't have enough time to watch and control short-term stocks suggest doing less short-term operations in A shares, except futures.