伴随着资本市场的日益发展和有效资本市场的日趋形成,投资者的决策也将越来越理性化,风险投资决策的基本理论和方法也将在现实的经济生活中得到更好的应用。证券投资组合决策的任务是在寻求风险和收益平衡的基础上获取最高的投资报酬率,资本市场线是获取最大风险报酬的唯一有效机会线,资本资产定价模型是权衡市场风险与期望报酬率的重要工具。投资的目的是为了获取收益,或者说是为了获取最大化的收益,而这里面同时也存在着一个不容忽视的事实:要获 With the development of capital market and the formation of effective capital market, investors’ decisions will also become more and more rational. The basic theories and methods of venture capital decision-making will also be better applied in the real economy. The task of portfolio decision-making is to obtain the highest return on investment (ROI) based on the balance between risk and return. The capital market is the only effective route to obtain the maximum risk reward. The capital asset pricing model is to weigh the market risk and expected return Important tool. The purpose of investment is to obtain income, or to maximize the benefits, but there is also a fact that can not be ignored: to be won