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“Someone’s sitting in the shade today because someone planted a tree a long time ago.”

— Warren Buffett

The Warren Buffett investment philosophy calls for a long-term investment horizon, where a two-decade holding period, or even longer, would fit right into the strategy. How would such a strategy have worked out for an investment into Comerica, Inc. (NYSE: CMA)? Today, we examine the outcome of a two-decade investment into the stock back in 1999.

Start date: 08/27/1999
$10,000

08/27/1999
$19,373

08/26/2019
End date: 08/26/2019
Start price/share: $54.56
End price/share: $59.82
Starting shares: 183.28
Ending shares: 323.95
Dividends reinvested/share: $28.37
Total return: 93.79%
Average annual return: 3.36%
Starting investment: $10,000.00
Ending investment: $19,373.46

As we can see, the two-decade investment result worked out as follows, with an annualized rate of return of 3.36%. This would have turned a $10K investment made 20 years ago into $19,373.46 today (as of 08/26/2019). On a total return basis, that’s a result of 93.79% (something to think about: how might CMA shares perform over the next 20 years?). [These numbers were computed with the Dividend Channel DRIP Returns Calculator.]

Notice that Comerica, Inc. paid investors a total of $28.37/share in dividends over the 20 holding period, marking a second component of the total return beyond share price change alone. Much like watering a tree, reinvesting dividends can help an investment to grow over time — for the above calculations we assume dividend reinvestment (and for this exercise the closing price on ex-date is used for the reinvestment of a given dividend).

Based upon the most recent annualized dividend rate of 2.68/share, we calculate that CMA has a current yield of approximately 4.48%. Another interesting datapoint we can examine is ‘yield on cost’ — in other words, we can express the current annualized dividend of 2.68 against the original $54.56/share purchase price. This works out to a yield on cost of 8.21%.

One more piece of investment wisdom to leave you with:
“The function of economic forecasting is to make astrology look respectable.” — John Galbraith