When you’re trading, a calm mind is your biggest asset. Our job is to develop a system and follow it perfectly. Unfortunately, the market changes constantly. We need to change with it, while still following our strategy. In an investment firm or hedge fund, there are dozens of different positions. You have research analysts, investment analysts, execution traders, portfolio managers, accountants, financial analysts, and many more. The process of extracting a return out of financial markets, especially when dealing with billions of dollars, requires a lot of work.