According to conventional financial theory, the world and its participants are rational human being and strive to maximize their wealth prudently. However, there are many instances where emotion and psychology influence our decisions, causing us to behave in unpredictable or irrational ways. Dean of Wall Street, Mr. Benjamin Graham stated in his popular book “The Intelligent Investor” that markets are more psychological and less logical. Behavioral finance, a relatively new field of finance, attempts to combine behavioral and psychological theory with conventional economics and finance to provide explanations for why people make irrational financial decisions. Here are some of the main behavioral biases that investors need to look out for: Loss-aversion bias : Loss aversion refers to investor's tendency to strongly prefer avoiding losses to acquiring gains. The fear of loss leads to inaction. Studies show that the pain of loss is twice as strong as the pleasure of gain of a simila...