Trading is the act of buying and selling financial instruments like stocks, forex, commodities, or cryptocurrencies to earn a profit. Traders analyze markets using technical indicators, charts, and news. There are several types of trading: day trading (same-day trades), swing trading (held for days/weeks), scalping (quick, small-profit trades), and position trading (long-term holds). Each style suits different risk levels and time commitments. Successful trading requires discipline, risk management, and market knowledge. Traders often use platforms or brokers to execute trades and may employ strategies or algorithms to increase efficiency. It's a high-risk, high-reward financial activity.