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Rule of 70 for retirement: How this simple formula helps estimate when savings may double
Mint 5 hrs ago·10 Sept 2026, 3:12 am
The ‘Rule of 70’ is a retirement-planning formula that estimates how long an investment may take to double, helping investors gauge corpus growth and make informed decisions about savings, returns and retirement goals.
Key takeaways
- Category: Stocks.
Why it matters
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