It's been a soft week for Powell Industries, Inc. (NASDAQ:POWL) shares, which are down 18%. But that does not change the realty that the stock's performance has been terrific, over five years. In that time, the share price has soared some 391% higher! So we don't think the recent decline in the share price means its story is a sad one. Of course what matters most is whether the business can improve itself sustainably, thus justifying a higher price.

While the stock has fallen 18% this week, it's worth focusing on the longer term and seeing if the stocks historical returns have been driven by the underlying fundamentals.

To paraphrase Benjamin Graham: Over the short term the market is a voting machine, but over the long term it's a weighing machine. 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 half decade, Powell Industries became profitable. 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. We can see that the Powell Industries share price is up 344% in the last three years. Meanwhile, EPS is up 77% per year. This EPS growth is higher than the 64% average annual increase in the share price over the same three years. So you might conclude the market is a little more cautious about the stock, these days.

You can see below how EPS has changed over time (discover the exact values by clicking on the image).

We're pleased to report that the CEO is remunerated more modestly than most CEOs at similarly capitalized 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 Powell Industries' earnings, revenue and cash flow.

What About Dividends?

As well as measuring the share price return, investors should also consider the total shareholder return (TSR). 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. It's fair to say that the TSR gives a more complete picture for stocks that pay a dividend. We note that for Powell Industries the TSR over the last 5 years was 471%, which is better than the share price return mentioned above. This is largely a result of its dividend payments!

A Different Perspective

It's nice to see that Powell Industries shareholders have received a total shareholder return of 239% over the last year. That's including the dividend. Since the one-year TSR is better than the five-year TSR (the latter coming in at 42% per year), it would seem that the stock's performance has improved in recent times. Someone with an optimistic perspective could view the recent improvement in TSR as indicating that the business itself is getting better with time. It's always interesting to track share price performance over the longer term. But to understand Powell Industries better, we need to consider many other factors. For example, we've discovered 2 warning signs for Powell Industries that you should be aware of before investing here.

We will like Powell Industries better if we see some big insider buys. While we wait, check out this free list of growing companies with considerable, recent, insider buying.

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.