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“I buy on the assumption that they could close the market the next day and not reopen it for five years.”

— Warren Buffett

One of the most important things investors can learn from Warren Buffett, is about how they approach their time horizon for an investment into a stock under consideration. Because immediately after buying shares of a given stock, investors will then be able to check on the day-to-day (and even minute-by-minute) market value. Some days the stock market will be up, other days down. These daily fluctuations can often distract from the long-term view. Today, we look at the result of a five year holding period for an investor who was considering Idexx Laboratories, Inc. (NASD: IDXX) back in 2014, bought the stock, ignored the market’s ups and downs, and simply held through to today.

Start date: 07/03/2014


End date: 07/02/2019
Start price/share: $68.21
End price/share: $277.01
Starting shares: 146.61
Ending shares: 146.61
Dividends reinvested/share: $0.00
Total return: 306.11%
Average annual return: 32.35%
Starting investment: $10,000.00
Ending investment: $40,608.76

As shown above, the five year investment result worked out exceptionally well, with an annualized rate of return of 32.35%. This would have turned a $10K investment made 5 years ago into $40,608.76 today (as of 07/02/2019). On a total return basis, that’s a result of 306.11% (something to think about: how might IDXX shares perform over the next 5 years?). [These numbers were computed with the Dividend Channel DRIP Returns Calculator.]

Here’s one more great investment quote before you go:
“The most important thing about an investment philosophy is that you have one.” — David Booth