前述两大因素的组合，聚集与释放上市公司的个体风险，继而构成证券市场的整体风险。
The combination of the two factors gathers and releases the individual risks of listed companies and constitutes the whole risk of the securities market.
采用深圳证券市场交易数据对资本资产定价模型进行了横截面检验，研究了股票组合和单支股票收益率与系统风险的关系，并分析了个股风险构成。
The paper has transverse check to CAPM by using data from Shenzhen's securities, studies relations between stock group and single stock and system risk, and analyzes single stock risk construction.
证券市场中资产组合问题一直是金融研究领域的核心问题之一，而基金组合正成为其中一个热门的研究课题。
The assets portfolio in security market is the core research area of Finance and the funds portfolio is becoming a hot study task.
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