Volume and liquidity are the most important aspects of intraday trading according to investors. Intraday traders choose stocks with high liquidity and high trading volume. It is important to do your due diligence (research, check news, use technical indicators) along with analyzing the volume and liquidity for that stock, before choosing a stock for intraday. It is always recommended by traders to analyze stocks through various technical indicators to get a better understanding about the price movements of the stocks.