Many investors define successful investing as beating the market average over the long term. But its virtually certain that sometimes you will buy stocks that fall short of the market average returns. We regret to report that long term The AES Corporation (NYSE:AES) shareholders have had that experience, with the share price dropping 48% in three years, versus a market return of about 24%. And more recent buyers are having a tough time too, with a drop of 34% in the last year. Shareholders have had an even rougher run lately, with the share price down 36% in the last 90 days.

Since shareholders are down over the longer term, lets look at the underlying fundamentals over the that time and see if they've been consistent with returns.

To paraphrase Benjamin Graham: Over the short term the market is a voting machine, but over the long term it's a weighing machine. By comparing earnings per share (EPS) and share price changes over time, we can get a feel for how investor attitudes to a company have morphed over time.

AES became profitable within the last five years. That would generally be considered a positive, so we are surprised to see the share price is down. So given the share price is down it's worth checking some other metrics too.

Given the healthiness of the dividend payments, we doubt that they've concerned the market. We like that AES has actually grown its revenue over the last three years. But it's not clear to us why the share price is down. It might be worth diving deeper into the fundamentals, lest an opportunity goes begging.

You can see below how earnings and revenue have changed over time (discover the exact values by clicking on the image).

AES is well known by investors, and plenty of clever analysts have tried to predict the future profit levels. If you are thinking of buying or selling AES stock, you should check out this free report showing analyst consensus estimates for future profits.

What About Dividends?

As well as measuring the share price return, investors should also consider the total shareholder return (TSR). Whereas the share price return only reflects the change in the share price, the TSR includes the value of dividends (assuming they were reinvested) and the benefit of any discounted capital raising or spin-off. Arguably, the TSR gives a more comprehensive picture of the return generated by a stock. In the case of AES, it has a TSR of -42% for the last 3 years. That exceeds its share price return that we previously mentioned. And there's no prize for guessing that the dividend payments largely explain the divergence!

A Different Perspective

Investors in AES had a tough year, with a total loss of 31% (including dividends), against a market gain of about 26%. Even the share prices of good stocks drop sometimes, but we want to see improvements in the fundamental metrics of a business, before getting too interested. Unfortunately, last year's performance may indicate unresolved challenges, given that it was worse than the annualised loss of 4% over the last half decade. We realise that Baron Rothschild has said investors should "buy when there is blood on the streets", but we caution that investors should first be sure they are buying a high quality business. While it is well worth considering the different impacts that market conditions can have on the share price, there are other factors that are even more important. Like risks, for instance. Every company has them, and we've spotted 4 warning signs for AES (of which 1 is significant!) you should know about.

Of course, you might find a fantastic investment by looking elsewhere. So take a peek at this free list of companies we expect will grow earnings.

Please note, the market returns quoted in this article reflect the market weighted average returns of stocks that currently trade on American exchanges.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.