Trading during the day, often known as day trading, is an dynamic way to trade. It involves buying and selling financial instruments throughout the course of a single day.

The magnetism of day trading lies in the possibility to gain substantial returns in a short time. But, it's vital to grasp that this form of trading includes its own share of risks.

Sound day trading requires a solid understanding of the stock market. It's vital to track market news, comprehending how various events might impact the value of stocks you’re considering.

Also, successful day traders embrace managing risk. This involves using stop loss orders to minimize potential losses and only investing funds that you can afford to lose.

An important aspect of day trading is the ability to make rapid decisions. The markets can change quickly, and being able to make informed decisions under pressure can result in successful trades.

One of the most useful day trading techniques is called ‘scalping’. This involves making multiple trades within a short time period, hoping to reap benefits from small price changes.

Moreover, ‘momentum trading’ is another widely used technique. This strategy involves acquiring stocks that are showing strong upward trends and selling them before the trend reverses.

Day trading is not for the faint-hearted. It read more requires a high degree of investment knowledge, quick-thinking abilities, and a tolerance for risk. However, with the proper knowledge, technique, and control, you can make day trading a successful venture.

In conclusion, day trading, or ‘trading the day’, is a risky, yet rewarding trading strategy. It requires in-depth market knowledge, fast-thinking skills, and the capacity to handle risk effectively. With the right approach and continual learning, you have a shot to make worthwhile trades and increase your investment portfolio.