China Railway Construction Heavy Industry Corporation Limited's (SHSE:688425) price-to-earnings (or "P/E") ratio of 13.4x might make it look like a strong buy right now compared to the market in China, where around half of the companies have P/E ratios above 31x and even P/E's above 56x are quite common. However, the P/E might be quite low for a reason and it requires further investigation to determine if it's justified.

China Railway Construction Heavy Industry hasn't been tracking well recently as its declining earnings compare poorly to other companies, which have seen some growth on average. It seems that many are expecting the dour earnings performance to persist, which has repressed the P/E. If this is the case, then existing shareholders will probably struggle to get excited about the future direction of the share price.

What Are Growth Metrics Telling Us About The Low P/E?

There's an inherent assumption that a company should far underperform the market for P/E ratios like China Railway Construction Heavy Industry's to be considered reasonable.

Taking a look back first, the company's earnings per share growth last year wasn't something to get excited about as it posted a disappointing decline of 14%. As a result, earnings from three years ago have also fallen 27% overall. So unfortunately, we have to acknowledge that the company has not done a great job of growing earnings over that time.

Shifting to the future, estimates from the lone analyst covering the company suggest earnings should grow by 93% over the next year. Meanwhile, the rest of the market is forecast to only expand by 36%, which is noticeably less attractive.

In light of this, it's peculiar that China Railway Construction Heavy Industry's P/E sits below the majority of other companies. It looks like most investors are not convinced at all that the company can achieve future growth expectations.

The Final Word

We'd say the price-to-earnings ratio's power isn't primarily as a valuation instrument but rather to gauge current investor sentiment and future expectations.

We've established that China Railway Construction Heavy Industry currently trades on a much lower than expected P/E since its forecast growth is higher than the wider market. When we see a strong earnings outlook with faster-than-market growth, we assume potential risks are what might be placing significant pressure on the P/E ratio. At least price risks look to be very low, but investors seem to think future earnings could see a lot of volatility.

Plus, you should also learn about this 1 warning sign we've spotted with China Railway Construction Heavy Industry.

If you're unsure about the strength of China Railway Construction Heavy Industry's business, why not explore our interactive list of stocks with solid business fundamentals for some other companies you may have missed.

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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.