Investor behavior is a research area that focuses on studying the various factors that influence how individuals make decisions when investing in financial markets. This area of research examines the psychological, emotional, and cognitive processes that can impact investment decisions, as well as how these factors may lead to biases and irrational behavior. Researchers in this field aim to understand why investors make certain choices, how they react to market trends and information, and how these behaviors can affect their investment outcomes. By understanding investor behavior, researchers can provide insights into how to improve investment decision-making and mitigate potential risks.