we know that demand and supply can determine price movement of stocks . it can be easily located by Fundamental analysis and technical analysis. F.A. can be done through lot of data analysis which can done only by insider to management person or research or investment form but retail investor does not give you all details. But Technical analysis is easy to do and data is readily available . Main data for T.A. is price and volume i.e demand and supply or support and resistance.
T.A. can give you details regarding short term but any news in market or sentiments can change behavior of stock where T.A. also cant do anything. there are 3 types of main charts
Line, Bar and candlestick. Candlestick give good visual friendly presentation of stock and provide OLHC value of stock for specific period .