Credited as one of the fathers of in-depth security analysis, Graham's approach focuses on the concept of intrinsic value. 

Graham's approach leads to three separate screens that focus on the concept of intrinsic value, justified by a firm's financial strength. 

Credited as one of the fathers of in-depth security analysis, Graham's approach focuses on the concept of intrinsic value. 

A screen that tries to interpret and apply successful trading rules in the real market environment.