Behavior investors on financial markets

Traditional theorys declare, that participants in financial markets are rational. Theory behaviour finance be come to that point, allegata people have in practical live inclination be irrational. For behaviour people and investors are typical also emotions. Behaviour finance present new entrance towards financial markets, what arisen at the last epoch. People have obliquity be irrational. Based on the own survey and surveys of other authors and using data from financial markets we analyze how are the deviations from rationality further applied in the choice of investment strategies. In the article we include the results and we analyze the most common deviations from rational behavior of investors. Survey of real behavior of investor in the Slovak investment funds is included at the end of this part. In resume we conclude results achieved from empirical surveys.