Graham believes that if the stock rises by 50%, it should be sold and the next one should be looked for.

Fisher said: You should only sell in three cases: buying the wrong stock, having a better target, or the fundamentals deteriorating.

Both are masters. The former actually focuses on the rebound of junk coins, while the latter focuses on the growth of high-quality stocks.

Use the former when the funds are small, and use the latter when the funds are large.