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Investing Basics: Start Here

New to the stock market? These guides walk you through opening an account, buying your first investment and building habits that grow wealth over time.

Getting started

How to buy stocks
The whole process from opening an account to placing your first order.

How to start investing with little money
What to do first and where to put small amounts.

What is a brokerage account?
Account types, cash vs. margin and how your money is protected.

Index funds vs. individual stocks
Weighing diversification against the chance to beat the market.

Funds and the market

What is the S&P 500?
How stock market indexes work and how to invest in them.

What is an ETF?
How exchange-traded funds work and what to check before buying.

ETFs vs. mutual funds
Trading, costs, taxes and minimums compared.

What is market cap?
Large, mid and small caps explained.

What are blue-chip stocks?
Large, established companies and their limits.

Bull vs. bear markets
What they mean and how to invest through both.

Building wealth

How compound interest grows your investments
Worked examples and the Rule of 72.

Dollar-cost averaging
Investing a fixed amount on a schedule.

How to diversify your portfolio
Spreading risk across companies, sectors and assets.

Stocks vs. bonds
How they differ and how to mix them.

Free tools for this topic

Compound interest calculator · DCA calculator · Compare brokers

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Stock Analysis · Dividends & Income · Retirement & Tax · Trading & Markets · Sectors · Glossary · All guides