Yunnan Coal & Energy Co.,Ltd. (SHSE:600792) shareholders should be happy to see the share price up 19% in the last quarter. But that doesn't change the fact that the returns over the last year have been less than pleasing. In fact, the price has declined 24% in a year, falling short of the returns you could get by investing in an index fund.

Given the past week has been tough on shareholders, let's investigate the fundamentals and see what we can learn.

To paraphrase Benjamin Graham: Over the short term the market is a voting machine, but over the long term it's a weighing machine. 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.

Yunnan Coal & EnergyLtd fell to a loss making position during the year. While this may prove temporary, we'd consider it a negative, so it doesn't surprise us that the stock price is down. We hope for shareholders' sake that the company becomes profitable again soon.

The company's earnings per share (over time) is depicted in the image below (click to see the exact numbers).

Before buying or selling a stock, we always recommend a close examination of historic growth trends, available here.

A Different Perspective

Yunnan Coal & EnergyLtd shareholders are down 23% for the year (even including dividends), but the market itself is up 14%. 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. Longer term investors wouldn't be so upset, since they would have made 2%, each year, over five years. If the fundamental data continues to indicate long term sustainable growth, the current sell-off could be an opportunity worth considering. 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. Case in point: We've spotted 4 warning signs for Yunnan Coal & EnergyLtd you should be aware of, and 3 of them are a bit concerning.

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.