In order to justify the effort of selecting individual stocks, it's worth striving to beat the returns from a market index fund. But every investor is virtually certain to have both over-performing and under-performing stocks. At this point some shareholders may be questioning their investment in National Presto Industries, Inc. (NYSE:NPK), since the last five years saw the share price fall 17%.

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

View our latest analysis for National Presto Industries

While markets are a powerful pricing mechanism, share prices reflect investor sentiment, not just underlying business performance. 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.

While the share price declined over five years, National Presto Industries actually managed to increase EPS by an average of 0.1% per year. So it doesn't seem like EPS is a great guide to understanding how the market is valuing the stock. Or possibly, the market was previously very optimistic, so the stock has disappointed, despite improving EPS.

Given EPS is up and the share price is down, it's clear the market is more concerned about the business than it was previously. Generally speaking, though, if the company can keep growing EPS then the share price will eventually follow.

The company's earnings per share (over time) is depicted in the image below (click to see the exact numbers).

It's probably worth noting that the CEO is paid less than the median at similar sized companies. It's always worth keeping an eye on CEO pay, but a more important question is whether the company will grow earnings throughout the years. It might be well worthwhile taking a look at our free report on National Presto Industries' earnings, revenue and cash flow.

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 is a return calculation that accounts for the value of cash dividends (assuming that any dividend received was reinvested) and the calculated value of any discounted capital raisings and spin-offs. So for companies that pay a generous dividend, the TSR is often a lot higher than the share price return. We note that for National Presto Industries the TSR over the last 5 years was 12%, 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

National Presto Industries provided a TSR of 8.0% over the last twelve months. But that was short of the market average. The silver lining is that the gain was actually better than the average annual return of 2% per year over five year. It is possible that returns will improve along with the business fundamentals. While it is well worth considering the different impacts that market conditions can have on the share price, there are other factors that are even more important. Even so, be aware that National Presto Industries is showing 2 warning signs in our investment analysis , and 1 of those is significant...

Of course National Presto Industries 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 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.