Pulling back 12% this week, L.B. Foster's NASDAQ:FSTR) five-year decline in earnings may be coming into investors focus

Some L.B. Foster Company (NASDAQ:FSTR) shareholders are probably rather concerned to see the share price fall 34% over the last three months. But at least the stock is up over the last five years. In that time, it is up 67%, which isn't bad, but is below the market return of 107%.

In light of the stock dropping 12% in the past week, we want to investigate the longer term story, and see if fundamentals have been the driver of the company's positive five-year return.

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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. One way to examine how market sentiment has changed over time is to look at the interaction between a company's share price and its earnings per share (EPS).

L.B. Foster's earnings per share are down 4.1% per year, despite strong share price performance over five years.

So it's hard to argue that the earnings per share are the best metric to judge the company, as it may not be optimized for profits at this point. Since the change in EPS doesn't seem to correlate with the change in share price, it's worth taking a look at other metrics.

The revenue growth of 0.2% per year hardly seems impressive. So it seems one might have to take closer look at earnings and revenue trends to see how they might influence the share price.

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

We consider it positive that insiders have made significant purchases in the last year. Even so, future earnings will be far more important to whether current shareholders make money. So we recommend checking out this free report showing consensus forecasts

A Different Perspective

Investors in L.B. Foster had a tough year, with a total loss of 39%, against a market gain of about 9.6%. However, keep in mind that even the best stocks will sometimes underperform the market over a twelve month period. On the bright side, long term shareholders have made money, with a gain of 11% per year over half a decade. It could be that the recent sell-off is an opportunity, so it may be worth checking the fundamental data for signs of a long term growth trend. It's always interesting to track share price performance over the longer term. But to understand L.B. Foster better, we need to consider many other factors. Take risks, for example - L.B. Foster has 2 warning signs (and 1 which can't be ignored) we think you should know about.

There are plenty of other companies that have insiders buying up shares. You probably do not want to miss this free list of undervalued small cap companies that insiders are 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.