This article covers the 5 points that every intelligent investor check before investing in a stock. With the help of this points intelligent investors 

try to find any stock's qualities that give extraordinary return in future. Have company's products and services the potential that can give good sales growth in next some years?

It is not hard to gain huge for one time. For investors one time profit does not matter,consistent growth is the matter. For example in US sales growth of radio manufacture companies was well

before coming tv but after coming tv the sales growth of radio manufacture companies was fully stopped. According to Philip A. Fisher companies that grow constitently 

can be dividedin two groups and they are: Fortune and Able. Fortune because they are Able. Any company can not grow constitently year after year on the basis of luck

They need excellent business skills, otherwise they can not maintain their strong performance. Example of Fortune and Able company is Aluminium Company of America(also known as ALCOA).

The founder of alcoa was very visionary. He launched his products with future planning and future requirements. Otherwise anyone could not imagine