Basic

Stock Market: Definition

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Simple Definition

The overall system where stocks are bought and sold. When people say "the market is up," they mean stock prices generally rose.

Why It Matters

The stock market is how everyday people can own pieces of the world's best companies. Historically, it has returned about 10% per year on average (7% after inflation). While it can drop 30-50% in bad years, it has recovered from every crash in history. Understanding how the market works is the foundation of building long-term wealth.

Key Points

  • The US stock market is worth over $50 trillion - the largest in the world
  • "The market" usually refers to major indexes like the S&P 500 or Dow Jones
  • Market hours are 9:30 AM - 4:00 PM Eastern, Monday through Friday (excluding holidays)

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Foundation Lesson

What Is the Stock Market?

Get a complete explanation with examples, key takeaways, and a quiz to test your knowledge.

Related Terms

Common Questions

The overall system where stocks are bought and sold. When people say "the market is up," they mean stock prices generally rose. The stock market is how everyday people can own pieces of the world's best companies. Historically, it has returned about 10% per year on average (7% after inflation).

The stock market is how everyday people can own pieces of the world's best companies. Historically, it has returned about 10% per year on average (7% after inflation). While it can drop 30-50% in bad years, it has recovered from every crash in history. Understanding how the market works is the foundation of building long-term wealth.

The US stock market is worth over $50 trillion - the largest in the world

"The market" usually refers to major indexes like the S&P 500 or Dow Jones

Market hours are 9:30 AM - 4:00 PM Eastern, Monday through Friday (excluding holidays)