Fundamental Analysis

Judge a business by its numbers and its moat.

1. Revenue Growth — Why sales growth is the engine behind long-term stock gains, how to read growth rates, what real companies were reporting as of September 2026, and the traps to avoid.
2. Profit Margins — Gross, operating and net margins explained, what they reveal about a business model, and real margins for software, chip, beverage and retail giants.
3. Competitive Moats — What protects a great business from competitors, the five main kinds of moat, how moats show up in the numbers, and how moats erode.
4. Management & Guidance — How to judge the people running a company, what guidance is and why stocks react to it so strongly, and a real example of a big earnings-day drop driven by spending plans.
5. Growth vs. Value — The two classic investing styles, how valuation ratios separate them, real numbers for well-known companies, and a real case of a great company whose stock still fell.