Particularly in some type of office building sales, Class B concept confusion, the small investors are easily misled. 尤其在一些銷售型辦公樓中，甲級乙級概念混淆，易使中小投資者受誤導。
Examples are given to explain the choices of different investment portfolios in regard to the large and small investors in the Security Market at present. 最後運用具體的股票投資組合實例，分析了大中型機構投資者和中小投資者在投資組合方面的不同取向。
