Trading during the day, often known as day trading, is an fascinating way to trade. It involves buying and selling financial instruments within one day.

The magnetism of day trading lies in the prospect to make quick profits. Even so, it's vital to grasp that this form of trading holds its own risks.

Efficient day trading requires a firm understanding of the trading landscape. It's vital to monitor market news, grasping how various events can impact the price of stocks you’re investing in.

Also, effective day traders embrace the mitigation of risk. This involves implementing stop loss orders to limit potential losses and just investing money that you can afford to lose.

A vital aspect of day trading is the skill to make rapid decisions. The markets can alter quickly, and the ability to make informed decisions when it counts can lead to successful trades.

One of the most helpful day trading techniques is called ‘scalping’. This involves making trade the day multiple trades within a short time period, hoping to make money from small price movements.

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

Day trading is not for everyone. It requires a high degree of investment knowledge, quick-thinking abilities, and a tolerance for risk. However, with the correct knowledge, technique, and control, you can earn substantial profits through day trading.

In conclusion, day trading, or ‘trading the day’, is a risky, yet rewarding trading style. It requires in-depth market knowledge, fast-thinking skills, and the capability to deal with risk effectively. With the right approach and continual learning, you have a shot to make successful trades and grow your investment portfolio.