Bull 'N' Bearish is a stock exchange analysis tool. Stock technical analysis focuses on historical price patterns and volume characteristics to predict the future. Technical analysis is concerned with the history of trading and price in a stock. Technical analysts believe that a stock market price reveals all the known/needed information about the stock including public and insider information and investor sentiment. The founding fathers of technical analysis were Robert D. Edwards and John Magee who first published Technical Analysis of Stock Trends in 1948.