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What is diversification in investing?

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Quick answer

Diversification is the investing strategy of spreading money across many different assets so no single loss can sink your portfolio. It's the financial version of 'don't put all your eggs in one basket. Spreading across assets reduces the impact of any one failing.

Key things to understand

  1. Spreading across assets reduces the impact of any one failing.
  2. It mixes types (stocks, bonds), sectors, and regions.
  3. It lowers risk without necessarily lowering long-term returns.
  4. Mutual funds and index funds are easy ways to diversify.

People also ask

Why is diversification important?
It cushions your portfolio: when some investments fall, others may hold or rise, smoothing returns.
How do I diversify my investments?
Spread money across asset types, industries, and regions — often easiest via index or mutual funds.
Can you over-diversify?
Yes — spreading too thin can dilute returns and add complexity without much extra risk reduction.