Learn to Invest
14 short, plain-English guides to the ideas behind the numbers on Investz. Education only, not investment advice.
Investing basics
The ideas everything else is built on.
Diversification spreads your money across different investments so no single one can sink you. Learn how it works and what it cannot do.
5 min readDollar-cost averaging means investing a fixed amount on a schedule. See how it works with a worked example and what its trade-offs are.
4 min readCompounding means earning returns on your earlier returns. See the math with simple examples and learn why time matters more than most people think.
5 min readFunds and ETFs
Owning hundreds of companies in one purchase.
An exchange-traded fund (ETF) is a basket of investments you buy and sell like a single stock. Here is how ETFs work, what they cost and where they fit.
5 min readIndex funds track a market index instead of trying to beat it. Learn how they work, why they are cheap, and what the S&P 500 really is.
5 min readThe expense ratio is the yearly fee a fund charges. See how a small difference in fees can add up to thousands of dollars over decades.
4 min readReading a company
The numbers behind a single stock.
The price-to-earnings ratio compares a stock’s price to the company’s profit. Learn what a high or low P/E means and where it can mislead you.
5 min readPublic companies report results every quarter. Learn what EPS, revenue, a “beat” and guidance mean, and why a stock can fall on good news.
6 min readDividends are cash payments companies make to shareholders. Learn how yield and payout ratio work and why a very high yield can be a warning sign.
5 min readMarket capitalization is the total value of a company’s shares. Learn how it is calculated and why size matters for risk and return.
4 min readHow markets work
Cycles, rates and sectors.
What bull and bear markets are, how corrections differ from crashes, and how long-term investors think about market declines.
5 min readWhy markets watch the Federal Reserve so closely. A plain-English look at how interest rates influence stocks, bonds and sectors.
5 min readThe stock market is divided into 11 sectors, from technology to utilities. Learn what each one covers, how they behave, and how to compare them.
6 min readCharts
What a price chart can and cannot tell you.
Looking for books? See the Investing Bookshelf and reading paths. Or explore the 11 market sectors.