In the world of investing, especially in the stock and crypto markets, there is a lesson that is always repeated: “Don’t sell at a loss.” But despite the simplicity of this statement, many investors, especially new ones, fall into the trap of selling at a loss under the pressure of emotions and fear. If you are one of them, you need to understand the mechanism of the market and how big forces, such as whales, play a major role in draining individual investors’ money.