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从表中显示的数据可见，散户投资者从开户数量上处于绝对优势，这充分说明，２０００年以前的市场是一个以散户投资者占绝对数量优势的市场。作为市场投资者主体，散户和机构投资者的共同之处均在于追求风险既定条件下的预期收益最大化或者说是预期收益既定条件下的风险最小化
From the data shown in the table, we can see that retail investors are at an absolute advantage in the number of accounts they open. This fully shows that the market before 2000 was a market dominated by the absolute number of retail investors. As the main body of market investors, the commonality between retail investors and institutional investors lies in maximizing the expected return under the condition of pursuing the risk, or minimizing the risk under the given conditions of the expected return