有效市場假設
efficient market hypothesis
一種股票市場理論。該理論認為，由于對股市利潤的競爭如此激烈，以致于投資者觀察到的股票價格是對股票“真實”價值的有效估計
A particular stock market theory. The theory is that since the competition is so fierce profits on the stock market, so investors observed stock price estimate on the stock to be effective "real" value