Passive investing in index funds can generate returns that roughly match the overall market. But you can do a lot better than that by buying good quality businesses for attractive prices. For example, the GATX Corporation (NYSE:GATX) share price is up 65% in the last five years, slightly above the market return. It's also good to see that the stock is up 12% in a year.

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

Check out our latest analysis for GATX

In his essay The Superinvestors of Graham-and-Doddsville Warren Buffett described how share prices do not always rationally reflect the value of a business. 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.

During five years of share price growth, GATX actually saw its EPS drop 3.3% per year.

By glancing at these numbers, we'd posit that the decline in earnings per share is not representative of how the business has changed over the years. Therefore, it's worth taking a look at other metrics to try to understand the share price movements.

The revenue reduction of 2.5% 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.

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

It's probably worth noting that the CEO is paid less than the median at similar sized companies. But while CEO remuneration is always worth checking, the really important question is whether the company can grow earnings going forward. So it makes a lot of sense to check out what analysts think GATX will earn in the future (free profit forecasts).

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 incorporates the value of any spin-offs or discounted capital raisings, along with any dividends, based on the assumption that the dividends are reinvested. So for companies that pay a generous dividend, the TSR is often a lot higher than the share price return. As it happens, GATX's TSR for the last 5 years was 87%, which exceeds the share price return mentioned earlier. This is largely a result of its dividend payments!

A Different Perspective

It's nice to see that GATX shareholders have received a total shareholder return of 15% over the last year. That's including the dividend. Since the one-year TSR is better than the five-year TSR (the latter coming in at 13% per year), it would seem that the stock's performance has improved in recent times. Someone with an optimistic perspective could view the recent improvement in TSR as indicating that the business itself is getting better with time. It's always interesting to track share price performance over the longer term. But to understand GATX better, we need to consider many other factors. Case in point: We've spotted 3 warning signs for GATX you should be aware of, and 1 of them is significant.

If you are like me, then you will not want to miss this free list of growing companies that insiders are buying.

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