Ask a Fool: What is a Market Cap?

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Market cap is one of the many metrics that investors can use to assess the size of a company. One share of the biggest company in the world, Apple (NAS: AAPL) , currently costs $668. To calculate Apple's market cap, simply multiply that number by the number of shares outstanding -- in this case, around 943 million -- and you get a market cap of roughly $630 billion. Watch the video below to learn more about calculating and interpreting a company's market cap.

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The article Ask a Fool: What is a Market Cap? originally appeared on Fool.com.

Andrew Tonner owns shares of Apple. The Motley Fool owns shares of Apple. Motley Fool newsletter services recommend Apple. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.

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