What is the common meaning of cutting leeks?

Generally, it refers to being cheated into losing money or harvesting.

Cutting leeks means that leeks are in a vigorous growth period and can be harvested. Cutting leeks in the stock market is usually used to describe retail investors, because retail investors are at a disadvantage in the whole market. When a big family or a master sells stocks, the money of a retail investor is harvested like a leek. It means that some stock speculators leave the market at a loss, and the new forces join the stock market again, just like leeks, quickly cutting off one crop and growing another.

Leek refers to the grassroots in the financial circle. Synonym for short-term memory. Usually, such people will be fooled by other so-called experts to buy financial products such as stocks and wealth management, and eventually end up losing money. This behavior of fooling leeks is called "cutting leeks".

Cutting leeks is usually used to describe retail investors. Because retail investors are at a disadvantage in the whole market, large households or experts sell stocks, and their money is harvested like leeks. Because retail investors are constantly entering the market, these leeks will grow after being cut.