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“Only buy something that you’d be perfectly happy to hold if the market shut down for 10 years.”

— Warren Buffett

Investors can learn a lot from Warren Buffett, whose above quote teaches the importance of thinking about investment time horizon, and asking ourselves before buying any given stock: can we envision holding onto it for years — even a ten year holding period possibly?

Suppose a “buy-and-hold” investor was considering an investment into Micron Technology Inc. (NASD: MU) back in 2010: back then, such an investor may have been pondering this very same question. Had they answered “yes” to a full ten year investment time horizon and then actually held for these past 10 years, here’s how that investment would have turned out.

Start date: 10/07/2010
$10,000

10/07/2010
$66,569

10/06/2020
End date: 10/06/2020
Start price/share: $7.11
End price/share: $47.32
Starting shares: 1,406.47
Ending shares: 1,406.47
Dividends reinvested/share: $0.00
Total return: 565.54%
Average annual return: 20.86%
Starting investment: $10,000.00
Ending investment: $66,569.72

The above analysis shows the ten year investment result worked out exceptionally well, with an annualized rate of return of 20.86%. This would have turned a $10K investment made 10 years ago into $66,569.72 today (as of 10/06/2020). On a total return basis, that’s a result of 565.54% (something to think about: how might MU shares perform over the next 10 years?). [These numbers were computed with the Dividend Channel DRIP Returns Calculator.]

One more investment quote to leave you with:
“The key to investing is not assessing how much an industry is going to affect society, or how much it will grow, but rather determining the competitive advantage of any given company and, above all, the durability of that advantage.” — Warren Buffett