The most you can lose on any stock (assuming you don't use leverage) is 100% of your money. But on the bright side, you can make far more than 100% on a really good stock. One great example is Dynatrace, Inc. (NYSE:DT) which saw its share price drive 175% higher over five years. It's also good to see the share price up 30% over the last quarter.

Since the stock has added US$539m to its market cap in the past week alone, let's see if underlying performance has been driving long-term returns.

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. 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.

During the five years of share price growth, Dynatrace moved from a loss to profitability. That kind of transition can be an inflection point that justifies a strong share price gain, just as we have seen here. Since the company was unprofitable five years ago, but not three years ago, it's worth taking a look at the returns in the last three years, too. In fact, the Dynatrace stock price is 27% lower in the last three years. In the same period, EPS is up 24% per year. So there seems to be a mismatch between the positive EPS growth and the change in the share price, which is down -10% per year.

The image below shows how EPS has tracked over time (if you click on the image you can see greater detail).

Before buying or selling a stock, we always recommend a close examination of historic growth trends, available here.

A Different Perspective

Dynatrace shareholders are up 24% for the year. But that was short of the market average. The silver lining is that the gain was actually better than the average annual return of 22% per year over five year. This suggests the company might be improving over time. Before spending more time on Dynatrace it might be wise to click here to see if insiders have been buying or selling shares.

For those who like to find winning investments this free list of undervalued companies with recent insider purchasing, could be just the ticket.

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.