摘要：This study aims to constructing an investment portfolio from the common stocks by using simple gradient model. The investment portfolio constructing regards the most important matter in the administrative and financial literature for selecting the adequate investment opportunity. To fulfill the aim of study sample selecting, there have been (21) out of (77) chosen from the operating industrial companies in the Iraq stock exchange. This study deals with how to construct the investment portfolio from the common stocks through consternating on common problem which is the investors depending extent in Iraq stock exchange on the samples and methods of quantity for constructing their investment portfolios depending on the following hypothesis: it is possible to construct investment portfolio by using the simple gradient model. However this study has been dependent on set of arithmetic and financial samples in analysis the financial data. Set of conclusions have been put such as the economic and political circumstances can contribute effectively on the economic activity for the operating establishment in sector through market value average fluctuating for return on securities through the large up-down during the period of study, and this indicates that the Iraq stock exchange is fluctuation while the period time of research. In addition, set of recommendations have been put to emphasis the depending on the scientific methods for selecting the candidate stocks to construct the investment portfolios of the stocks to construct the convenient portfolio that can contribute for constructing the convenient portfolio.
关键词：Investment Portfolio;Cutting off Ratio;Stock Return;and Common Stocks
