It is difficult to make money in a falling market, and it is not necessarily possible to make a huge profit even if the market rises. The key lies in the timing of selling.
SoftBank previously held a 4.9% stake in Nvidia. In order to lock in profits, Son sold it in 2019 and made a profit of 3.3 billion.
But today, it is worth 160 billion. Selling Nvidia is equivalent to missing out on two angel rounds of Alibaba (Son Zhengyi made 70 billion by investing in Alibaba). Every time he thinks of this, Son Zhengyi feels deeply frustrated.
In some historical large investments, it is far more important to know how to sell than to know how to buy.