What makes a good stock trader? There is more to stock trading than economics or statistics, there is also individual psychology that can make or break a stock trader. Although the U.S. stock market is nearly 400 years old and has been thoroughly researched, some 80 percent or more of retail stock traders fail within a few months. Why this is the case may be the lessor discussed importance of individual psychology and psychological traits that successful stock trading requires. This presentation elaborates on how individual psychology could be used as a tool for retail investors to succeed.