stock combination meaning in English

证券组合化

Method of the establishment for efficient boundary of the stocks combination investment
确定证券组合投资有效边界的方法研究
Onefold model the asset of authority card mark is single share , the asset of mark of combination authority card is many stocks combination , index authority card is the asset of mark with all sorts of share price indexes
单一型权证标的资产为单一股票，组合型权证标的资产为多个股票组合，指数型权证则以各种股价指数为标的资产。