It's not a stretch to say that XJ Electric Co., Ltd.'s (SZSE:000400) price-to-earnings (or "P/E") ratio of 28.6x right now seems quite "middle-of-the-road" compared to the market in China, where the median P/E ratio is around 27x. However, investors might be overlooking a clear opportunity or potential setback if there is no rational basis for the P/E.

With earnings growth that's superior to most other companies of late, XJ Electric has been doing relatively well. One possibility is that the P/E is moderate because investors think this strong earnings performance might be about to tail off. If you like the company, you'd be hoping this isn't the case so that you could potentially pick up some stock while it's not quite in favour.

How Is XJ Electric's Growth Trending?

There's an inherent assumption that a company should be matching the market for P/E ratios like XJ Electric's to be considered reasonable.

Taking a look back first, we see that the company grew earnings per share by an impressive 32% last year. The latest three year period has also seen an excellent 45% overall rise in EPS, aided by its short-term performance. So we can start by confirming that the company has done a great job of growing earnings over that time.

Turning to the outlook, the next three years should generate growth of 18% per annum as estimated by the analysts watching the company. With the market predicted to deliver 24% growth per annum, the company is positioned for a weaker earnings result.

In light of this, it's curious that XJ Electric's P/E sits in line with the majority of other companies. It seems most investors are ignoring the fairly limited growth expectations and are willing to pay up for exposure to the stock. These shareholders may be setting themselves up for future disappointment if the P/E falls to levels more in line with the growth outlook.

The Final Word

It's argued the price-to-earnings ratio is an inferior measure of value within certain industries, but it can be a powerful business sentiment indicator.

Our examination of XJ Electric's analyst forecasts revealed that its inferior earnings outlook isn't impacting its P/E as much as we would have predicted. Right now we are uncomfortable with the P/E as the predicted future earnings aren't likely to support a more positive sentiment for long. This places shareholders' investments at risk and potential investors in danger of paying an unnecessary premium.

Before you settle on your opinion, we've discovered 1 warning sign for XJ Electric that you should be aware of.

You might be able to find a better investment than XJ Electric. If you want a selection of possible candidates, check out this free list of interesting companies that trade on a low P/E (but have proven they can grow earnings).

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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.