It is a pleasure to report that the Aier Eye Hospital Group Co., Ltd. (SZSE:300015) is up 48% in the last quarter. But that doesn't change the fact that the returns over the last three years have been less than pleasing. In fact, the share price is down 45% in the last three years, falling well short of the market return.

Since shareholders are down over the longer term, lets look at the underlying fundamentals over the that time and see if they've been consistent with 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 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.

During the unfortunate three years of share price decline, Aier Eye Hospital Group actually saw its earnings per share (EPS) improve by 18% per year. This is quite a puzzle, and suggests there might be something temporarily buoying the share price. 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.

With a rather small yield of just 1.0% we doubt that the stock's share price is based on its dividend. We note that, in three years, revenue has actually grown at a 13% annual rate, so that doesn't seem to be a reason to sell shares. This analysis is just perfunctory, but it might be worth researching Aier Eye Hospital Group more closely, as sometimes stocks fall unfairly. This could present an opportunity.

The graphic below depicts how earnings and revenue have changed over time (unveil the exact values by clicking on the image).

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. If you are thinking of buying or selling Aier Eye Hospital Group stock, you should check out this free report showing analyst profit forecasts.

A Different Perspective

Investors in Aier Eye Hospital Group had a tough year, with a total loss of 16% (including dividends), against a market gain of about 7.4%. 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 0.8% 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 Aier Eye Hospital Group better, we need to consider many other factors. For instance, we've identified 2 warning signs for Aier Eye Hospital Group (1 doesn't sit too well with us) that you should be aware of.

Of course, you might find a fantastic investment by looking elsewhere. So take a peek at this free list of companies we expect will grow earnings.

Please note, the market returns quoted in this article reflect the market weighted average returns of stocks that currently trade on Chinese 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.