但是，近年来均值回归理论对随机漫步理论提出了挑战。
But, in recent years, Average Value Return Theory gave a challenge to the Random Walk Theory.
随机漫步理论认为股票的价格是不能预测的，许多实证检验的结果也支持了这一结论。
Random Walk Theory thinks that the price of the shares is unpredictable, and many concrete examples have already proved this conclusion.
随机漫步理论认为股票的价格是不能预测的，许多实证检验的结果也支持了这一结论。
Random Walk Theory thinks that the price of the shares is unpredictable, and many concrete examples have already proved this conclusion.
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