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But then it fell to 15 yuan,But then it went up to 20 yuan,But you're not willing to stop loss,

But then it fell to 15 yuan,Normally, you have to come out first,If you have profits, you will learn to take profits, and you will have better gains.

Are the three situations mentioned above true?Because its downward trend has not changed,When many retail investors buy stocks, if they rise by a few points,