Checking stocks may seem harmless, but a new study found that many people are day trading while working a full-time job. Day trading means buying and selling stocks or other investments in a short amount of time. The study also found that 44% of investors believe day trading is stressful and hard to continue over time. Why People Begin Day TradingThe most common reason people day trade is the hope of reaching financial freedom faster. Day Trading Comes With RisksDay trading may look like a quick way to make extra money but fast trades can lead to fast losses.