Graham devotes a complete chapter on how to use the Price to earnings ratio or PE ratio to make stock market decisions. We explain what a PE ratio is, how to calculate it and how to use it. We go through Graham's examples but also give modern examples of what to watch for when investing. Sven Carlin Research Platform: https://sven-carlin-research-platform.teachable.com/p/stock-market-research-platform Modern Value Investing book: https://amzn.to/2lvfH3t Sven Carlin blog: https://svencarlin.com