Within the financial sector, day trading is a preferred tactic which is challenging yet rewarding. This strategy revolves around buying and selling financial instruments in one single trading day. For success in day trading, an individual needs a clear understanding of the market and disciplined investment strategies.

Day traders do not hold their positions past the day's end. This speculative trading strategy has the potential to generate significant profits but also carries a high degree of risk. Therefore, it requires a calculated and strategic approach.

A successful day trader must have multifarious skills from quick decision-making abilities to intense discipline. Furthermore, command over technical analysis, sound judgement, and a deep understanding of market trends are essential for success as individual's efforts in day trading.

Day trading also comes with its set of challenges. Volatilities and unpredicted market shifts can often lead to substantial losses. Moreover, day trading requires a significant investment of time and resources. Thus, assessing your risk tolerance, financial goals, and available resources is critical before you venture into day trading.

The world of day trading offers a plethora of financial instruments. From stocks and forex to futures and options, traders can choose what suits their trading style best. Each of these instruments has specific advantages and pitfalls, so understanding your investment goals and risk tolerance is critical to choose the right instrument for trading.

Having a concrete trading plan is of utmost importance importance to succeed in day trading. It should contain specifics like the chosen financial instruments to trade, the risk tolerance level, and set profit targets. Also, it helps to have risk management strategies like stop-loss orders incorporated into the trading plan.

Continuously monitoring the markets plays an inevitable role in day trading success. Day traders need to keep a close track of international news, economic events, market trends, and macroeconomic indicators. This constant vigilance can provide valuable insights into potential trading opportunities and risk trade the day elements.

While day trading might seem daunting initially, with perseverance, discipline, and effective risk management, it can act as a lucrative investment strategy. However, it is important to remember that like any investment strategy, day trading does not guarantee profits and is subjected to market risks. Therefore, it requires careful analysis and vigilant consideration before investing.