In order to justify the effort of selecting individual stocks, it's worth striving to beat the returns from a market index fund. But even the best stock picker will only win with some selections. At this point some shareholders may be questioning their investment in TriMas Corporation (NASDAQ:TRS), since the last five years saw the share price fall 13%. On the other hand the share price has bounced 9.6% over the last week.

While the last five years has been tough for TriMas shareholders, this past week has shown signs of promise. So let's look at the longer term fundamentals and see if they've been the driver of the negative returns.

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 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.

TriMas became profitable within the last five years. That would generally be considered a positive, so we are surprised to see the share price is down. Other metrics might give us a better handle on how its value is changing over time.

We don't think that the 0.6% is big factor in the share price, since it's quite small, as dividends go. In contrast to the share price, revenue has actually increased by 7.1% a year in the five year period. So it seems one might have to take closer look at the fundamentals to understand why the share price languishes. After all, there may be an opportunity.

The image below shows how earnings and revenue have tracked over time (if you click on the image you can see greater detail).

It's good to see that there was some significant insider buying in the last three months. That's a positive. That said, we think earnings and revenue growth trends are even more important factors to consider. If you are thinking of buying or selling TriMas stock, you should check out this free report showing analyst profit forecasts.

A Different Perspective

TriMas shareholders are down 2.0% for the year (even including dividends), but the market itself is up 25%. Even the share prices of good stocks drop sometimes, but we want to see improvements in the fundamental metrics of a business, before getting too interested. However, the loss over the last year isn't as bad as the 2% per annum loss investors have suffered over the last half decade. We'd need to see some sustained improvements in the key metrics before we could muster much enthusiasm. 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 2 warning signs for TriMas (1 can't be ignored) that you should be aware of.

TriMas is not the only stock insiders are buying. So take a peek at this free list of small cap companies at attractive valuations which insiders have been 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.

Have feedback on this article? Concerned about the content? Get in touch with us directly. Alternatively, email editorial-team@simplywallst.com