For believers in EMH — the efficient market hypothesis — May 4 will be a fascinating day.

对信仰emh——有效市场假说——的人们来说，五月四日将是迷人的一天。

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Efficient market Hypothesis (EMH) is the foundation of modern financial marketing, it study the theory of stock price react to all information.

股票市场有效性理论是现代金融市场学的基础，它是研究股票价格对信息反应速度问题的学说。

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According to efficient market hypothesis (EMH), security market is efficient and stock prices can reflect changed information fully.

有效市场假说认为市场是有效的，证券价格可以充分体现信息变化的影响。

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The efficient market hypothesis (EMH) maintains that all stocks are perfectly priced according to their inherent investment properties, the knowledge of which all market participants possess equally.

FORBES: by Jason Van Bergen

The Efficient Markets Hypothesis (EMH) says that markets are efficient at processing information about what prices should be in a market.

FORBES: Facebook Slumps As Lock In Expires: Shouldn't The EMH Have Prevented This?