Abstract: Colombo Stock Exchange (CSE) is one of the best performing stock exchanges in South Asia. Presently lots of investors (i.e. people who buy or sell stocks) connected with the CSE. Generally stock market domain is a dynamic and unpredictable environment. However, stock trading (buy / sell) process doesn’t exist without prediction. In the current stock trading process investors predict the following day stock price solely based on the stock broker’s assistant. Stock brokers are the one who directly connects with the stock trading process regularly. Therefore, they have massive experience and ongoing knowledge, so they can use this to assist the investors. But current stock trading process in CSE, stock brokers do not have much time to completely disclose their knowledge and assist investors uniformly.