This section offers a deep dive into the concept of Price-to-Earnings (PE) ratios, a fundamental tool in stock valuation. Participants will learn how to calculate PE ratios and interpret their significance in comparing stock prices relative to company earnings. The course includes a case study providing practical insights into the application of PE ratios in real-world scenarios. Additionally, learners will discover reliable sources for obtaining valuation ratios, and how to effectively use these ratios in their investment analysis.