In the vibrant world of trading, day trading is a popular choice. Day trading involves making transactions of financial instruments within one day.

The allure of day trading lies in the prospect to gain substantial returns in a short time. Nonetheless, it's vital to comprehend that this form of trading comes with its own risks.

Sound day trading requires a solid understanding of the markets. It's vital to keep up with market news, fully knowing how various events can impact the price of stocks you’re investing in.

Furthermore, effective day traders embrace managing risk. This involves placing stop loss orders to reduce potential losses and only investing funds that you can afford to lose.

A key day trading aspect of day trading is the ability to decide quickly. The markets can shift quickly, and being able to make informed decisions on the fly can result in successful trades.

One of the most beneficial day trading techniques is called ‘scalping’. This involves making multiple trades rapidly, hoping to cash in from small price variations.

In addition, ‘momentum trading’ is another frequently used technique. This method involves buying stocks that are showing strong upward trends and selling them before the trend reverses.

Day trading is for the brave. It requires a great deal of market understanding, fast decision-making skills, and a strong risk appetite. However, with the right education, technique, and discipline, you can earn substantial profits through day trading.

In conclusion, day trading, or ‘trading the day’, is a fast-paced trading method. It requires in-depth market knowledge, fast-thinking skills, and the potential to handle risk effectively. With the appropriate approach and continual learning, you have a shot to make lucrative trades and grow your investment portfolio.