For value investors, the favorite should be the flash crash. The fund's falling position is equivalent to buying something at a discount. Of course, the cheaper the better. But the premise is to choose a high-quality fund, and it is a long-term investment of idle money.
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The easiest way to judge whether a fund is of high quality is to see whether it can outperform the index. If investors buy funds on a monthly, quarterly, semi-annual and annual basis, they will pay attention to whether the trend is better than before, and then pay attention to the comparative value with the market in the same period, so that we can see the pros and cons of the funds in our hands at a glance.
Referring to the maximum withdrawal rate of funds over the years, it is more practical to add positions at key positions, and it is also possible to judge whether the negative interest is exhausted according to the market news at that time. If investors have a certain flexibility to add positions, they can get twice the result with half the effort. If they are lucky, they can buy at the lowest point, and then they can make their own funds profit quickly.