When close to half the companies in China have price-to-earnings ratios (or "P/E's") above 38x, you may consider Jack Technology Co.,Ltd (SHSE:603337) as a highly attractive investment with its 18x P/E ratio. Although, it's not wise to just take the P/E at face value as there may be an explanation why it's so limited.

Jack TechnologyLtd certainly has been doing a good job lately as its earnings growth has been positive while most other companies have been seeing their earnings go backwards. One possibility is that the P/E is low because investors think the company's earnings are going to fall away like everyone else's soon. 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 out of favour.

Does Growth Match The Low P/E?

In order to justify its P/E ratio, Jack TechnologyLtd would need to produce anemic growth that's substantially trailing the market.

Taking a look back first, we see that the company grew earnings per share by an impressive 60% last year. Pleasingly, EPS has also lifted 73% in aggregate from three years ago, thanks to the last 12 months of growth. So we can start by confirming that the company has done a great job of growing earnings over that time.

Shifting to the future, estimates from the seven analysts covering the company suggest earnings should grow by 26% over the next year. With the market predicted to deliver 38% growth , the company is positioned for a weaker earnings result.

With this information, we can see why Jack TechnologyLtd is trading at a P/E lower than the market. It seems most investors are expecting to see limited future growth and are only willing to pay a reduced amount for the stock.

The Final Word

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.

As we suspected, our examination of Jack TechnologyLtd's analyst forecasts revealed that its inferior earnings outlook is contributing to its low P/E. At this stage investors feel the potential for an improvement in earnings isn't great enough to justify a higher P/E ratio. Unless these conditions improve, they will continue to form a barrier for the share price around these levels.

Don't forget that there may be other risks. For instance, we've identified 1 warning sign for Jack TechnologyLtd that you should be aware of.

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.