Guide

Owning a small piece of a company — and who actually sets the price of that piece.

The road your order travels from the moment you tap Buy to the shares landing in your account.

Where the number called the S&P 500 comes from — and why it behaves differently from the Dow.

A fund that trades like a single stock but carries dozens of companies inside.

Not two answers to the same question: one buys the market, the other buys a company, and the risks come from different places.

It measures how much the price swings — not which way it is going.

Two animals, two thresholds, and the story the market tells about itself.

The invisible fee you pay on every trade, even when the commission is zero.

The day a private company gets a public price tag — and why that day is so volatile.

Real bitcoin inside an exchange-traded fund: what it costs you comes from the structure of the package as much as what it earns.

Companies that trade on US exchanges without being American, and companies that go public before they have a business.