There wouldn't be many who think Xinya Electronic Co., Ltd.'s (SHSE:605277) price-to-earnings (or "P/E") ratio of 37.4x is worth a mention when the median P/E in China is similar at about 35x. While this might not raise any eyebrows, if the P/E ratio is not justified investors could be missing out on a potential opportunity or ignoring looming disappointment.

It looks like earnings growth has deserted Xinya Electronic recently, which is not something to boast about. One possibility is that the P/E is moderate because investors think this benign earnings growth rate might not be enough to outperform the broader market in the near future. 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 Xinya Electronic's Growth Trending?

In order to justify its P/E ratio, Xinya Electronic would need to produce growth that's similar to the market.

Retrospectively, the last year delivered virtually the same number to the company's bottom line as the year before. The lack of growth did nothing to help the company's aggregate three-year performance, which is an unsavory 23% drop in EPS. Accordingly, shareholders would have felt downbeat about the medium-term rates of earnings growth.

Comparing that to the market, which is predicted to deliver 38% growth in the next 12 months, the company's downward momentum based on recent medium-term earnings results is a sobering picture.

In light of this, it's somewhat alarming that Xinya Electronic's P/E sits in line with the majority of other companies. Apparently many investors in the company are way less bearish than recent times would indicate and aren't willing to let go of their stock right now. There's a good chance existing shareholders are setting themselves up for future disappointment if the P/E falls to levels more in line with the recent negative growth rates.

What We Can Learn From Xinya Electronic's P/E?

Using the price-to-earnings ratio alone to determine if you should sell your stock isn't sensible, however it can be a practical guide to the company's future prospects.

We've established that Xinya Electronic currently trades on a higher than expected P/E since its recent earnings have been in decline over the medium-term. When we see earnings heading backwards and underperforming the market forecasts, we suspect the share price is at risk of declining, sending the moderate P/E lower. Unless the recent medium-term conditions improve, it's challenging to accept these prices as being reasonable.

There are also other vital risk factors to consider and we've discovered 3 warning signs for Xinya Electronic (1 is a bit unpleasant!) that you should be aware of before investing here.

If P/E ratios interest you, you may wish to see this free collection of other companies with strong earnings growth and low P/E ratios.

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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.