培育我国股市的投资者主体张叶文一个成熟的股票市场，必须有合理的投资者结构，也就是机构投资者在入市资金上应占有相当的份额。在西方国家，八十年代以来，机构投资者逐渐取代个人投资者，机构投资的份额已经从七十年代的３０％增加到７０％左右，如日本东京证券交易所... Foster investors in China's stock market Zhang Yewen a mature stock market, there must be a reasonable investor structure, which is institutional investors in the market capital should have a considerable share. In Western countries, institutional investors have gradually replaced individual investors since the 1980s, and the share of institutional investment has increased from 30% in the 1970s to around 70%, such as the Tokyo Stock Exchange in Japan.