Qasim Hameed Naser
Under the supervision of Assistant Professor
Dr. Abbas Kadhim AL-Daami

The banking system is a vital facility and mainly plays a major role in the economies of countries service, but also reflects the evolution of the banking business and the diversity of tools and capacity inclusion in one of the salient metrics by which to measure the development of societies. Since the banks and financial and banking facilities dealing class basis with the funds on the various facets, was to be for those banks and enterprises to establish correct investment strategy enhance returns and provide them with a high degree of hedging about what affects the funds from the difference in the values by factors and the laws of the market and the largesse of the variables positively or negatively affect them. That came this study is to shed light on one of the important influences on the funds, namely Are interest rates and bank liquidity direct effect or indirectly in the rebuilding of the investment portfolio of a sample deliberate Iraqi commercial banks in order to diversify their investments and reduce the risk to these banks? , The fact that most of the commercial banks’ investments exposed to the likelihood of volatility in the return on investment for those investments when you are not building their portfolios, diversification and thus their exposure to risk and this is contrary to the objective basis for all commercial banks, namely maximizing profits. For this study were based on the hypothesis that the effect of interest rates (on savings deposits and fixed) and cash flow implications of statistical and moral standard among themselves on the one hand and between the investment portfolio of the Iraqi commercial banks sample study on the other. The study came out a set of conclusions including : Reached to the possibility of developing a scientific basis can be invoked in the application of economic theories to invest specifically investment portfolios on the Iraqi economy, particularly in the Iraqi commercial banks through a scientific methods that have proven that changes in interest rates and the liquidity effect of direct and effective in rebuilding the investment portfolios of banks Sample the study, by scheduling these data banks investment portfolio after these data were scattered in the balance sheet of its components .