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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

Such a great quote from Warren Buffett, highlighting the importance of investment time horizon when considering making an investment. In the short run, who knows what the stock market will do? A week or two after buying any given stock, could the entire stock market fall out of bed? Quite possibly! Should that happen, how would you react? It is an excellent question to think about before hitting the buy button.

For investors who take a multi-year time horizon, the important thing is not what happens in the next week or two, but what the result will be over the long haul. Today, we look at the result investors of the year 2009 experienced, who considered an investment in shares of Illumina Inc (NASD: ILMN) and decided upon a decade-long investment time horizon.

Start date: 11/13/2009
$10,000

11/13/2009
$90,684

11/12/2019
End date: 11/12/2019
Start price/share: $32.62
End price/share: $295.73
Starting shares: 306.56
Ending shares: 306.56
Dividends reinvested/share: $0.00
Total return: 806.59%
Average annual return: 24.66%
Starting investment: $10,000.00
Ending investment: $90,684.59

The above analysis shows the decade-long investment result worked out exceptionally well, with an annualized rate of return of 24.66%. This would have turned a $10K investment made 10 years ago into $90,684.59 today (as of 11/12/2019). On a total return basis, that’s a result of 806.59% (something to think about: how might ILMN shares perform over the next 10 years?). [These numbers were computed with the Dividend Channel DRIP Returns Calculator.]

One more piece of investment wisdom to leave you with:
“A risk-reward ratio is important, but so is an aggravation-satisfaction ratio.” — Muriel Siebert