Introduction. During the existence and development of the stock market has undergone a number of changes, with the result that at present the dynamics of the real market value of the company in some cases different from the dynamics of the value of its shares. So the actual problem is the study of the reasons for the discrepancy between the expected value of the enterprise and the dynamics of its shares, hampering the inflow of investments into joint-stock companies via the exchange tools if used decision-making methods used in real investment. Theoretical analysis. Fundamental analysis of stocks involves the study of financial indicators of joint-stock companies, as well as evaluating observed worldwide macroeconomic events (market factors) that are not related to specific firms directly on the successful forecast the future value of the company’s shares most likely is not a professional economist, is able to assess the prospects of the company and the stock exchange speculator, who managed to successfully interpret news flow that is not associated with the work of these organizations directly. To neutralize the possible negative consequences of this assessment it is advisable to use the indicator economic value added (EVA) is one of the most closely associated with the creation of shareholder value. Results. Studies have confirmed that the market capitalization and stock exchange quotations in many cases affect not the fundamentals of individual firms and the market in General, reflected in the stock index. Each of the companies showed a marked positive correlation with stock market capitalization of the index, and only in rare cases, noted the relationship of the capitalization of the company with its unique performance (EVA).