By buying an index fund, investors can approximate the average market return. But if you buy good businesses at attractive prices, your portfolio returns could exceed the average market return. For example, Service Stream Limited (ASX:SSM) shareholders have seen the share price rise 94% over three years, well in excess of the market return (8.6%, not including dividends). On the other hand, the returns haven't been quite so good recently, with shareholders up just 49%, including dividends.

So let's investigate and see if the longer term performance of the company has been in line with the underlying business' progress.

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To paraphrase Benjamin Graham: Over the short term the market is a voting machine, but over the long term it's a weighing machine. One flawed but reasonable way to assess how sentiment around a company has changed is to compare the earnings per share (EPS) with the share price.

Service Stream was able to grow its EPS at 32% per year over three years, sending the share price higher. The average annual share price increase of 25% is actually lower than the EPS growth. So it seems investors have become more cautious about the company, over time.

You can see below how EPS has changed over time (discover the exact values by clicking on the image).

We know that Service Stream has improved its bottom line over the last three years, but what does the future have in store? You can see how its balance sheet has strengthened (or weakened) over time in this free interactive graphic.

What About Dividends?

When looking at investment returns, it is important to consider the difference between total shareholder return (TSR) and share price return. The TSR is a return calculation that accounts for the value of cash dividends (assuming that any dividend received was reinvested) and the calculated value of any discounted capital raisings and spin-offs. So for companies that pay a generous dividend, the TSR is often a lot higher than the share price return. In the case of Service Stream, it has a TSR of 110% for the last 3 years. That exceeds its share price return that we previously mentioned. This is largely a result of its dividend payments!

A Different Perspective

It's nice to see that Service Stream shareholders have received a total shareholder return of 49% over the last year. Of course, that includes the dividend. Notably the five-year annualised TSR loss of 0.3% per year compares very unfavourably with the recent share price performance. The long term loss makes us cautious, but the short term TSR gain certainly hints at a brighter future. I find it very interesting to look at share price over the long term as a proxy for business performance. But to truly gain insight, we need to consider other information, too. Even so, be aware that Service Stream is showing 2 warning signs in our investment analysis , 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 Australian 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.