عنوان مقاله [English]
Traditional financial theory assumes that investors behave rationally and seek to maximize the expected utility by having access to information resources, while the behavioral finance view suggests that investor behavior depends on judgments, tendencies Emotional and informal sources of information. Many studies also show that the emotional behavior of investors affects the stock market .i n the present study, with a systematic review of previous studies, 45 articles and researches have been studied based on three criteria of registration in valid journals, recording of expected findings and completeness of the research. Systematic search of previous studies indicates that. That is, cultural groups, influential groups in the stock market (transparency, efficiency, leading groups, etc.) and influential groups in financial institutions affect the emotional behavior of investors. Also, the emotional behavior and tendency of investors leads to Changes in time series returns, market turmoil and market irregularities, changes in pricing and stock price patterns, and declining levels of trust in official news agency sources.