It means don't think that you can bargain-hunting without falling at present. You have to wait and see a little, make sure you can't fall, and then slowly bargain-hunting. Don't close your position easily because of the decline, and make a decision after carefully confirming the market outlook. If you haven't bought it yet, you can buy some in small quantities while falling, but just like the first sentence, you have to slow down the speed of bargain hunting, so you have to lighten up your position.

Closing a stock is to sell the previous stock, and the position in the stock refers to this stock.