Purpose of financial decision-making on investment is to show that assets purchased today have ability to determine the future of the company. Investment project is based on the usage of specific methods and techniques and includes the use of available resources. Concept and aplication methodology of evaluation of investment projects, first defines the subject of work followed with consideration of the topic of work. Investment projects are conceptually defined along with the processing of the rating of investment project and its preparation. The rating of the investment project refers to the market efficiency of the investment project. After elaboration of the criteria and methods of evaluation, the answers are given to questions about the investment project in terms of risk and uncertainty. To manage risk means looking to the future, thinking in advance about potential events, effects and consequences with which the investor may face in the future, minimize risks and to avoid or minimize adverse effects. Capital Asset Pricing Model or CAPM model represents a theory about the relationship between risk and return, which argues that the expected risk premium for all securities equals to the beta coefficient times the market risk premium. Investors expect a reward for waiting and concern. The greater the concern, the higher the expected return. Award for waiting may be investing in risk-free treasury bills, where the investor receives interest-compensation for the time value of money. When investing in risky stocks, investors can expect additional return, or risk premium for concern.