While Zhaojin Mining Industry Company Limited (HKG:1818) shareholders are probably generally happy, the stock hasn't had particularly good run recently, with the share price falling 22% in the last quarter. But that doesn't change the fact that the returns over the last three years have been pleasing. In fact, the company's share price bested the return of its market index in that time, posting a gain of 58%.

While the stock has fallen 9.8% this week, it's worth focusing on the longer term and seeing if the stocks historical returns have been driven by the underlying fundamentals.

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.

Zhaojin Mining Industry was able to grow its EPS at 83% per year over three years, sending the share price higher. The average annual share price increase of 16% is actually lower than the EPS growth. Therefore, it seems the market has moderated its expectations for growth, somewhat.

You can see how EPS has changed over time in the image below (click on the chart to see the exact values).

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. This free interactive report on Zhaojin Mining Industry's earnings, revenue and cash flow is a great place to start, if you want to investigate the stock further.

A Different Perspective

Zhaojin Mining Industry shareholders are up 13% for the year (even including dividends). But that return falls short of the market. On the bright side, that's still a gain, and it's actually better than the average return of 5% over half a decade This suggests the company might be improving over time. 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 2 warning signs for Zhaojin Mining Industry you should know about.

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 Hong Kong 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.