It is doubtless a positive to see that the STAAR Surgical Company (NASDAQ:STAA) share price has gained some 61% in the last three months. But that is small recompense for the exasperating returns over three years. Indeed, the share price is down a tragic 65% in the last three years. So the improvement may be a real relief to some. While many would remain nervous, there could be further gains if the business can put its best foot forward.

The recent uptick of 3.2% could be a positive sign of things to come, so let's take a look at historical fundamentals.

There is no denying that markets are sometimes efficient, but prices do not always reflect underlying business performance. One flawed but reasonable way to assess how sentiment around a company has changed is to compare the earnings per share (EPS) with the share price.

Although the share price is down over three years, STAAR Surgical actually managed to grow EPS by 50% per year in that time. Given the share price reaction, one might suspect that EPS is not a good guide to the business performance during the period (perhaps due to a one-off loss or gain). Or else the company was over-hyped in the past, and so its growth has disappointed.

It's worth taking a look at other metrics, because the EPS growth doesn't seem to match with the falling share price.

Revenue is actually up 21% over the three years, so the share price drop doesn't seem to hinge on revenue, either. It's probably worth investigating STAAR Surgical further; while we may be missing something on this analysis, there might also be an opportunity.

You can see below how earnings and revenue have changed over time (discover the exact values by clicking on the image).

We consider it positive that insiders have made significant purchases in the last year. Having said that, most people consider earnings and revenue growth trends to be a more meaningful guide to the business. This free report showing analyst forecasts should help you form a view on STAAR Surgical

A Different Perspective

STAAR Surgical shareholders are down 29% for the year, but the market itself is up 27%. However, keep in mind that even the best stocks will sometimes underperform the market over a twelve month period. Longer term investors wouldn't be so upset, since they would have made 8%, each year, over five years. 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. 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. Consider risks, for instance. Every company has them, and we've spotted 1 warning sign for STAAR Surgical 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 growing 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.