Analysis of stock movement for a particular day is called intraday. So it should not be confused with positional trading methods. Try to find the global market movement, FII and DII data to be analyzed, Based on the above the long or short to be decided. Then select the best moving Sector and then best movement stock along with volume in the top 3. That stock has to be traded. Definitely it influence intraday momentum and price movement. Asian market at the morning and european market at the evening. American market for the entire day.