Day trading is a type of investment strategy where an individual buys and sells one or more stocks within the same day, with the goal of making short-term profits from small price fluctuations. This involves actively monitoring market trends throughout the day to identify opportunities for quick gains, and then quickly buying and selling shares accordingly. Day trading is typically done by individuals or firms using margin accounts, where they borrow money to purchase stocks, hoping that any profits made from short-term price movements will outweigh the costs of borrowing. However, day trading can also be high risk due to the potential for large losses if market trends do not go as expected.