A psychological understanding of market behavior helps investors recognize that such fluctuations are normal. They do not panic during downturns and do not get greedy during booms, thus making better decisions overtime.A psychological understanding of market behavior helps investors recognize that such fluctuations are normal. They do not panic during downturns and do not get greedy during booms, thus making better decisions overtime.A psychological understanding of market behavior helps investors recognize that such fluctuations are normal. They do not panic during downturns and do not get greedy during booms, thus making better decisions overtime.