Stocks
Diversification basics
Why spreading risk across assets and holdings matters—and what diversification does not do.
5 min read · Updated August 2026
Don’t confuse activity with diversification
Owning ten stocks in the same sector is not broad diversification. Owning multiple funds that hold the same large companies may also overlap. Look at underlying exposure, not just product count.
What it cannot do
Diversification reduces idiosyncratic risk; it does not eliminate market risk. In a broad crash, many assets can fall together.
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Educational content from Aaru Wealth. Not investment, tax or legal advice.