Appreciating the fundamentals of day trading is indispensable for anybody seeking to venture into this dynamic business. Many people are captivated by the possibility of making significant earnings from day trading, but without having the correct information and strategy, it might become a daunting task.

Firstly, it's critical to understand the definition meaning of day trading. Basically, day trading entails the buying and sale of monetary securities within a single trading day. Day traders aim to capitalize on the small cost fluctuations of stocks, currencies, or futures, putting a focus on the importance of timing to score profits.

Day trading comes with its own set of principles, which are fundamental in molding success. Some of these rules include having a solid plan, staying current on market trends, and maintaining a disciplined approach.

A viable trading strategy requires comprehensive research and discipline. You must understand how exactly the market works and how securities are affected by economic factors. This understanding can be achieved through regular study, careful analysis, and constant execution.

Staying in tune with market news and trends is also essential in day trading. Occurrences worldwide can often day trading cause sudden market volatility. As a day trader, you should monitor these events closely as they can affect the prices of the securities you're trading.

Maintaining discipline is equally important in day trading. This means remaining composed during times of market volatility and not allowing your emotions take control of the trades. Setting a predetermined profit target and stop-loss limit can assist you keep a handle on your risks better.

On the other hand, day trading isn't for everyone. While it offers an opportunity for significant profits, the risks and challenges are equally high. Day trading only provides short-term gains, and losses can be devastating if you're not well prepared. It's hence important to amass adequate knowledge and exposure before venturing into it.

In conclusion, day trading is a daunting field to navigate, but with the correct knowledge, strategy, and discipline, it can prove to be a profitable field. Just as with any investment, it's crucial to understand the dangers involved and ensure you are fully prepared to deal with them. Above all, always remember that the goal of trading is to protect your capital, and earnings are just a bonus.