The most you can lose on any stock (assuming you don't use leverage) is 100% of your money. On the other hand, if you find a high quality business to buy (at the right price) you can more than double your money! For example, the Stampede Drilling Inc. (CVE:SDI) share price had more than doubled in just one year - up 158%. Also pleasing for shareholders was the 81% gain in the last three months. This could be related to the recent financial results, released recently - you can catch up on the most recent data by reading our company report. And shareholders have also done well over the long term, with an increase of 69% in the last three years.

Since the stock has added CA$7.9m to its market cap in the past week alone, let's see if underlying performance has been driving long-term returns.

Check out our latest analysis for Stampede Drilling

While markets are a powerful pricing mechanism, share prices reflect investor sentiment, not just underlying business performance. 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 last year Stampede Drilling grew its earnings per share, moving from a loss to a profit.

When a company is just on the edge of profitability it can be well worth considering other metrics in order to more precisely gauge growth (and therefore understand share price movements).

We think that the revenue growth of 127% could have some investors interested. Many businesses do go through a phase where they have to forgo some profits to drive business development, and sometimes its for the best.

The company's revenue and earnings (over time) are depicted in the image below (click to see the exact numbers).

It is of course excellent to see how Stampede Drilling has grown profits over the years, but the future is more important for shareholders. It might be well worthwhile taking a look at our free report on how its financial position has changed over time.

A Different Perspective

We're pleased to report that Stampede Drilling shareholders have received a total shareholder return of 158% over one year. Since the one-year TSR is better than the five-year TSR (the latter coming in at 10% 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. 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. For instance, we've identified 3 warning signs for Stampede Drilling that you should be aware of.

Of course Stampede Drilling may not be the best stock to buy. So you may wish to see this free collection of growth stocks.

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