When you buy a stock there is always a possibility that it could drop 100%. But when you pick a company that is really flourishing, you can make more than 100%. For example, the Packaging Corporation of America (NYSE:PKG) share price has soared 102% in the last half decade. Most would be very happy with that. It's also good to see the share price up 18% over the last quarter.

Now it's worth having a look at the company's fundamentals too, because that will help us determine if the long term shareholder return has matched the performance of the underlying business.

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.

Packaging Corporation of America's earnings per share are down 0.9% per year, despite strong share price performance over five years.

So it's hard to argue that the earnings per share are the best metric to judge the company, as it may not be optimized for profits at this point. Therefore, it's worth taking a look at other metrics to try to understand the share price movements.

On the other hand, Packaging Corporation of America's revenue is growing nicely, at a compound rate of 4.2% over the last five years. In that case, the company may be sacrificing current earnings per share to drive growth.

The image below shows how earnings and revenue have tracked over time (if you click on the image you can see greater detail).

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

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. We note that for Packaging Corporation of America the TSR over the last 5 years was 137%, which is better than the share price return mentioned above. This is largely a result of its dividend payments!

A Different Perspective

We're pleased to report that Packaging Corporation of America shareholders have received a total shareholder return of 44% over one year. And that does include the dividend. Since the one-year TSR is better than the five-year TSR (the latter coming in at 19% per year), it would seem that the stock's performance has improved in recent times. Given the share price momentum remains strong, it might be worth taking a closer look at the stock, lest you miss an opportunity. It's always interesting to track share price performance over the longer term. But to understand Packaging Corporation of America better, we need to consider many other factors. To that end, you should be aware of the 2 warning signs we've spotted with Packaging Corporation of America .

But note: Packaging Corporation of America may not be the best stock to buy. So take a peek at this free list of interesting companies with past earnings growth (and further growth forecast).

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.