动量投资法为对冲基金取得良好的短期业绩提供了最佳机会。
Momentum investing gives hedge funds the best opportunities for good short-term performance.
一点不奇怪，动量效应已经被一些职业投资人利用了几十年。
It is hardly a surprise that the momentum effect has been exploited by some professionals for decades.
但动量效应暗示却是有一种非理性在市场中运作；投资者买进股票或大宗商品仅仅因为它们的价格涨了。
But the momentum effect suggests that an irrationality might be at work; investors could be buying shares (and commodities) just because they have risen in price.
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