This month, we saw the Autek China Inc. (SZSE:300595) up an impressive 77%. But that doesn't change the fact that the returns over the last three years have been disappointing. Regrettably, the share price slid 69% in that period. So it is really good to see an improvement. Perhaps the company has turned over a new leaf.

Although the past week has been more reassuring for shareholders, they're still in the red over the last three years, so let's see if the underlying business has been responsible for the decline.

There is no denying that markets are sometimes efficient, but prices do not always reflect underlying business performance. 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.

Although the share price is down over three years, Autek China actually managed to grow EPS by 4.6% per year in that time. This is quite a puzzle, and suggests there might be something temporarily buoying the share price. Alternatively, growth expectations may have been unreasonable in the past.

It looks to us like the market was probably too optimistic around growth three years ago. However, taking a look at other business metrics might shed a bit more light on the share price action.

The modest 0.9% dividend yield is unlikely to be guiding the market view of the stock. We note that, in three years, revenue has actually grown at a 14% annual rate, so that doesn't seem to be a reason to sell shares. It's probably worth investigating Autek China further; while we may be missing something on this analysis, there might also 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).

If you are thinking of buying or selling Autek China stock, you should check out this FREE detailed report on its balance sheet.

A Different Perspective

Autek China shareholders are down 0.9% for the year (even including dividends), but the market itself is up 3.7%. 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 0.6%, 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. While it is well worth considering the different impacts that market conditions can have on the share price, there are other factors that are even more important. For instance, we've identified 2 warning signs for Autek China (1 shouldn't be ignored) 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.