Investing, explained in plain English
Short, sourced guides to how the market works, how to read a stock's numbers, and how to run an investment club. Every figure links to where it came from.
Latest · Reading the numbersWhat is dividend yield, and when is a high one a warning?
Dividend yield tells you how much cash a stock pays you each year for every dollar you invest. This guide shows how to calculate it with real numbers, what counts as a normal yield, and how Intel's nearly 6% yield turned out to be a warning rather than a bargain.
Investing basicsMost fund managers don't beat the S&P 500
Over 15 years, 90% of U.S. large-cap funds did worse than the S&P 500. What an S&P 500 index fund holds, why it's hard to beat, and how far it can fall.
Investment clubsWhat Is an Investment Club and How Does One Work?
An investment club is a group that researches and invests together. Learn how clubs are structured, taxed, and run, and why many of them fail.
Investing basicsIs Day Trading Worth It? What the Research Shows
Learn what day trading is, how the 2026 FINRA rule change ended the $25,000 minimum, and what large studies found about how most day traders actually do.
How trading worksLimit Order vs. Market Order: What's the Difference?
A market order fills fast at the best available price, while a limit order fills only at your price or better. Here is how each works and when it matters.
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