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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

The above quote from Warren Buffett is timeless, and brings into focus the choice about time horizon that any investor should think about before buying a stock they are considering. Behind every stock is an actual business; what will that business look like over a ten year period?

Today, let’s look backwards in time to 2010, and take a look at what happened to investors who asked that very question about AT&T Inc (NYSE: T), by taking a look at the investment outcome over a ten year holding period.

Start date: 07/14/2010
$10,000

07/14/2010
$20,656

07/13/2020
End date: 07/13/2020
Start price/share: $24.96
End price/share: $29.76
Starting shares: 400.64
Ending shares: 694.36
Dividends reinvested/share: $18.90
Total return: 106.64%
Average annual return: 7.52%
Starting investment: $10,000.00
Ending investment: $20,656.90

As shown above, the ten year investment result worked out well, with an annualized rate of return of 7.52%. This would have turned a $10K investment made 10 years ago into $20,656.90 today (as of 07/13/2020). On a total return basis, that’s a result of 106.64% (something to think about: how might T shares perform over the next 10 years?). [These numbers were computed with the Dividend Channel DRIP Returns Calculator.]

Notice that AT&T Inc paid investors a total of $18.90/share in dividends over the 10 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 2.08/share, we calculate that T has a current yield of approximately 6.99%. Another interesting datapoint we can examine is ‘yield on cost’ — in other words, we can express the current annualized dividend of 2.08 against the original $24.96/share purchase price. This works out to a yield on cost of 28.00%.

Another great investment quote to think about:
“Unless you can watch your stock holding decline by 50% without becoming panic-stricken, you should not be in the stock market.” — Warren Buffett