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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 decade-long holding period possibly?

Suppose a “buy-and-hold” investor was considering an investment into Generac Holdings Inc (NYSE: GNRC) back in 2015: back then, such an investor may have been pondering this very same question. Had they answered “yes” to a full decade-long investment time horizon and then actually held for these past 10 years, here’s how that investment would have turned out.

Start date: 11/13/2015
$10,000

11/13/2015
  $54,695

11/12/2025
End date: 11/12/2025
Start price/share: $29.70
End price/share: $162.42
Starting shares: 336.70
Ending shares: 336.70
Dividends reinvested/share: $0.00
Total return: 446.87%
Average annual return: 18.51%
Starting investment: $10,000.00
Ending investment: $54,695.82

As we can see, the decade-long investment result worked out exceptionally well, with an annualized rate of return of 18.51%. This would have turned a $10K investment made 10 years ago into $54,695.82 today (as of 11/12/2025). On a total return basis, that’s a result of 446.87% (something to think about: how might GNRC shares perform over the next 10 years?). [These numbers were computed with the Dividend Channel DRIP Returns Calculator.]

More investment wisdom to ponder:
“You’ve got to be careful if you don’t know where you’re going, ’cause you might not get there.” — Yogi Berra