In a bid to mirror the complexity real strategists would face while keeping their strategic analysis manageable, Porter set out five forces at play in any given industry: internal competition ...

There are different ways to analyze companies and their stocks. One is through an analysis using Porter's Five Forces Model, a methodology that looks at external factors within a specific industry.

A model for industry analysis and business strategy development developed by Michael E Porter of Harvard Business School professor, Michael E Porter. The five forces the model bases its analysis ...