The livelihood of numerous professional traders revolves around day trading, a strategy which whilst challenging, can prove to be extremely rewarding. The prerequisite for day trading is a substantial investment, sometimes amounting to millions. In spite of the daunting financial requirement, day trading has drawn many people towards its allure.

Day trading involves here purchasing shares, futures or foreign exchange and selling them before the closing bell. The profit or loss from day trading greatly depends on the short-term market fluctuations, given the brief holding duration.

Strong analytical capability, skills in risk management, and most critically, emotional resilience to cope with substantial financial oscillations are pre-requisites for day traders. Moreover, to conduct successful trades, in-depth knowledge about market trends and financial indicators is crucial.

The cornerstone of any successful day trading venture lies in a well-constructed strategy. This strategy involves determining correct entry and exit points, setting appropriate stop-losses, and estimating potential profit margins.

Although the rapidly realizable returns from day trading might be alluring, the risks involved should never be overlooked. Lofty losses capable of draining a trader's account could occur in a fleeting moment. Consequently, professionals strongly suggest that beginners kickstart their trading journey with a virtual or demo trading account, to comprehend the intricacies of day trading without jeopardizing real capital.

Achieving success in day trading wholly relies on education, adequate practice, judicious money management, and effective emotional control. Despite the allure of instant profits, the looming possibility of substantial losses can be disheartening. Yet, with the proper guidance, dedication, and knowledge, 'trade the day' could potentially morph into a profitable undertaking.