Global financial markets are leveraged by many factors: The process of economic which takes place in the world, institutional and political hampering, information disperses and attainability, etc. In behavioral finance people’s reactions, as well as perception, are one of the most significant factors. Not only institutional investors but also individual investors who have been investing in financial markets in recent decades have become more popular. Short-term price changes are influenced by market participants that are not always based on logic, sometimes they can be inspired by mood or instant news. That is why Investing decision depends on the object and its financial status in the future. Whereas In traditional finance experts find out financial locus admired not by the error-prone and emotional Homo sapiens, but by the stunning Homo economicus. Behavior finance models always depend on a concept of independent investors who are susceptible to judgment and decision-making fallacy. This article issues a brief introduction on behavioral finance, which encircle research that drops the traditional premise of expected efficient markets.