When you buy shares in a company, it's worth keeping in mind the possibility that it could fail, and you could lose your money. But on the bright side, you can make far more than 100% on a really good stock. For example, the AECOM (NYSE:ACM) share price has soared 184% in the last half decade. Most would be very happy with that. The last week saw the share price soften some 2.6%.

With that in mind, it's worth seeing if the company's underlying fundamentals have been the driver of long term performance, or if there are some discrepancies.

To quote Buffett, 'Ships will sail around the world but the Flat Earth Society will flourish. There will continue to be wide discrepancies between price and value in the marketplace...' One way to examine how market sentiment has changed over time is to look at the interaction between a company's share price and its earnings per share (EPS).

AECOM's earnings per share are down 9.9% per year, despite strong share price performance over five years.

This means it's unlikely the market is judging the company based on earnings growth. Because earnings per share don't seem to match up with the share price, we'll take a look at other metrics instead.

We doubt the modest 1.0% dividend yield is attracting many buyers to the stock. The revenue reduction of 0.5% per year is not a positive. So it seems one might have to take closer look at earnings and revenue trends to see how they might influence the share price.

The graphic below depicts how earnings and revenue have changed over time (unveil the exact values by clicking on the image).

This free interactive report on AECOM's balance sheet strength is a great place to start, if you want to investigate the stock further.

What About Dividends?

It is important to consider the total shareholder return, as well as the share price return, for any given stock. 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. So for companies that pay a generous dividend, the TSR is often a lot higher than the share price return. We note that for AECOM the TSR over the last 5 years was 190%, which is better than the share price return mentioned above. And there's no prize for guessing that the dividend payments largely explain the divergence!

A Different Perspective

AECOM shareholders gained a total return of 14% during the year. But that was short of the market average. On the bright side, the longer term returns (running at about 24% a year, over half a decade) look better. It may well be that this is a business worth popping on the watching, given the continuing positive reception, over time, from the market. It's always interesting to track share price performance over the longer term. But to understand AECOM better, we need to consider many other factors. Consider risks, for instance. Every company has them, and we've spotted 3 warning signs for AECOM you should know about.

If you like to buy stocks alongside management, then you might just love this free list of companies. (Hint: many of them are unnoticed AND have attractive valuation).

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.