Why this happens remains unclear, but one possible explanation is that the falling prices were caused by traders' tendency to exit risky positions when feeling strung up.

原因目前还不得而知，但是有一个可能的解释是，经营者感到危险到来时出现规避风险的趋势就会造成股价下跌。

youdao

Then scale out again after prices move up further, and exit your entire position when you think the trend will reverse.

然后在价格继续上行比较大的幅度时加仓，并在你认为趋势反转时退出你的全部仓位。

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For example, if you enter a long trade and the prices continue to move up, then exit a portion, say 30%, of your position after prices reach a certain point.

例如，如果你开始了一个揸单，价格始终向上运动，然后到达一个特定位置后平仓一部分，可以是开仓金额的30%。

youdao

Since demand curves do indeed slope thus entry or exit changes prices: therefore firms are not price takers since their presence or not changes prices.

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Some also came in the form of shorts covering, which is an exit from positions in which they had been betting on lower prices.

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Prices and margins will eventually compress forcing players to exit.

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