Day trading is a simultaneously fascinating and daunting aspect of the stock market. However, after properly harnessed and controlled, it has the potential to offer considerable returns.

Primarily, day trading involves acquiring and divesting financial securities—like shares, bonds, or forex— within a 24-hour period. The fundamental purpose is to benefit from the price changes within this short window.

But why should you consider day trading? For one, it offers a level of autonomy barely experienced in other kinds of investing. With day trading, you're in the driver's seat.

Additionally, day traders aren't exposed to overnight risk—the potential shifts that could affect a asset's price from the end of one day to the start of another.

Yet, it’s crucial to understand that day trading is not a get-rich-quick scheme. It calls for experience, commitment, and here robust knowledge of financial markets.

A central component of day trading is the study of graphs and charts. This involves studying past market and price data to anticipate future movements.

Finally, day trading is an exciting form of investing if done right. By having accurate data, correct strategies, and the right mentality, you can succeed in this world and potentially earn substantial returns from your trades.