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Which form of the efficient market hypothesis (EMH) is violated from the following observations? Explain

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Which form of the efficient market hypothesis (EMH) is violated from the following observations? Explain.a. High price-to-earnings ratio (P/E) stocks tend to have positive abnormal returns.
b. By observing the historical prices and historical trading volume, small ‘high- tech’ firms’ stocks tend to have higher rates of return than other ‘blue-chip’ stocks.