Stocks for the Long Run: American States Water vs. the S&P 500

Investing isn't easy. Even Warren Buffett counsels that most investors should invest in a low-cost index like the S&P 500. That way, "you'll be buying into a wonderful industry, which in effect is all of American industry," he says.

But there are, of course, companies whose long-term fortunes differ substantially from the index. In this series, we look at how individual stocks have performed against the broad S&P 500.

Step on up, American States Water (NYS: AWR) .

American States Water shares have easily outperformed the S&P 500 over the past quarter-century, and with less volatility:

Source: S&P Capital IQ.

Since 1987, shares have returned an average of 11.1% a year, compared with 9.7% a year for the S&P (both include dividends). One thousand dollars invested in the S&P in 1987 would be worth $19,200 today. In American States Water, it'd be worth $29,000.

Dividends accounted for a lot of those gains. Compounded since 1987, dividends have made up three-quarters of American States Water's total returns. For the S&P, dividends account for 39% of total returns.

Now have a look at how American States Water earnings compare with S&P 500 earnings:

Source: S&P Capital IQ.

Some underperformance here, but that isn't unexpected from a utility. Since 1995, American States Water's earnings per share have increasedby an average of 4.3% a year, compared with 6% a year for the broader index.

What's that meant for valuations? American States Water has traded for an average of 19 times earnings since 1987 -- just below the 24 times earnings for the broader S&P 500.

Through it all, shares have been strong performers over the past quarter-century.

Of course, the important question is whether that will continue. That's where you come in. Our CAPS community currently ranks American States Water with a five-star rating (out of five). Care to disagree? Leave your thoughts in the comment section below, or add American States Water to My Watchlist.

The article Stocks for the Long Run: American States Water vs. the S&P 500 originally appeared on Fool.com.

Fool contributor Morgan Housel and The Motley Fool have no positions in the stocks mentioned above. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.

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