When buying and selling of stocks is done on the same day it is called intraday trading. It is done with the main aim to earn profit.whereas positional trading is done for investment purpose also.intraday day is based on market sentiments.It is better for the trader to go along the market direction.The stocks have to be selected faster by an intraday trader.he has to follow atop down approach.The market ,industry is analyses the top gainers and losers are identified and the emotions should be handled properly.It will be better for the trader to invest an amount which he is ready to loose because intraday is subject to high risk.