The primary thing that trips up the vast majority of traders and investors is not the math, the markets, or a trend. What causes the 90% to end up unprofitable in the long run is mental errors. Errors caused by fear, ego, greed, and a lack of discipline to create a plan or to follow it if they do. Here are the 10 primary mental errors traders and investors make. They hold on to preconceived beliefs about the direction of the market with no planned signal that will show them they are wrong. This is an ego error when we think we’re smarter than the market. Taking a huge position size that will cause a huge loss if ... (full story)