Day trading refers to the purchase and disposal of financial securities within a single trading day. It is a practice aimed at earning gains by leveraging the small price changes of equities.

Whether you're just starting day trading out or an experienced trader, there are tactics you can employ to increase your trading efficiency. Firstly, understanding market conditions is vital. A knowledgeable trader is more equipped to capitalise on trading opportunities.

Secondly, establishing a trading plan is crucial. It provides a guide for navigating through the fluctuating market. This involves deciding on the point of purchase and sale for all trading activities.

Also, it’s important to regularly engage in virtual trading. Paper trading allows practice trading techniques without risking actual money. This offers an chance to understand the market's dynamics and advance your trading expertise.

Another approach is to note down your trading activities. This enables one to evaluate past trades, spotting blunders and winning tactics that can be repeated in future trades.

Moreover, deciding on the right broker is vital. Not all brokers are designed equal and some may not match your trading style. Look for a broker that provides dependable trading platforms, lots of research resources, and low fees.

In conclusion, while day trading can be lucrative, it also comes with a fair share of risk. Thus, it's vital to engage in it with caution, armed with sufficient information and a solid trading strategy. Whether you're just starting out or a veteran in the trade, these tips can help you maximize your day trading success.