The worst result, after buying shares in a company (assuming no leverage), would be if you lose all the money you put in. But on the bright side, you can make far more than 100% on a really good stock. Long term Enpro Inc. (NYSE:NPO) shareholders would be well aware of this, since the stock is up 189% in five years. Also pleasing for shareholders was the 33% gain in the last three months. But this move may well have been assisted by the reasonably buoyant market (up 14% in 90 days).

With that in mind, it's worth seeing if the company's underlying fundamentals have been the driver of long term performance, or if there are some discrepancies.

While the efficient markets hypothesis continues to be taught by some, it has been proven that markets are over-reactive dynamic systems, and investors are not always rational. One imperfect but simple way to consider how the market perception of a company has shifted is to compare the change in the earnings per share (EPS) with the share price movement.

During the five years of share price growth, Enpro moved from a loss to profitability. Sometimes, the start of profitability is a major inflection point that can signal fast earnings growth to come, which in turn justifies very strong share price gains. 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. Indeed, the Enpro share price has gained 80% in three years. During the same period, EPS grew by 2.3% each year. Notably, the EPS growth has been slower than the annualised share price gain of 22% over three years. So one can reasonably conclude the market is more enthusiastic about the stock than it was three years ago.

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

We know that Enpro has improved its bottom line lately, but is it going to grow revenue? This free report showing analyst revenue forecasts should help you figure out if the EPS growth can be sustained.

What About Dividends?

It is important to consider the total shareholder return, as well as the share price return, for any given stock. Whereas the share price return only reflects the change in the share price, the TSR includes the value of dividends (assuming they were reinvested) and the benefit of any discounted capital raising or spin-off. So for companies that pay a generous dividend, the TSR is often a lot higher than the share price return. We note that for Enpro the TSR over the last 5 years was 207%, which is better than the share price return mentioned above. And there's no prize for guessing that the dividend payments largely explain the divergence!

A Different Perspective

It's good to see that Enpro has rewarded shareholders with a total shareholder return of 44% in the last twelve months. Of course, that includes the dividend. Since the one-year TSR is better than the five-year TSR (the latter coming in at 25% 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. Before spending more time on Enpro it might be wise to click here to see if insiders have been buying or selling shares.

But note: Enpro 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.