With a price-to-earnings (or "P/E") ratio of 18.1x Xiamen Port Development Co., Ltd. (SZSE:000905) may be sending bullish signals at the moment, given that almost half of all companies in China have P/E ratios greater than 32x and even P/E's higher than 58x are not unusual. Although, it's not wise to just take the P/E at face value as there may be an explanation why it's limited.

As an illustration, earnings have deteriorated at Xiamen Port Development over the last year, which is not ideal at all. It might be that many expect the disappointing earnings performance to continue or accelerate, which has repressed the P/E. 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.

View our latest analysis for Xiamen Port Development

How Is Xiamen Port Development's Growth Trending?

The only time you'd be truly comfortable seeing a P/E as low as Xiamen Port Development's is when the company's growth is on track to lag the market.

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 4.1%. Even so, admirably EPS has lifted 114% in aggregate from three years ago, notwithstanding the last 12 months. So we can start by confirming that the company has generally done a very good job of growing earnings over that time, even though it had some hiccups along the way.

This is in contrast to the rest of the market, which is expected to grow by 43% over the next year, materially higher than the company's recent medium-term annualised growth rates.

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

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.

We've established that Xiamen Port Development maintains its low P/E on the weakness of its recent three-year growth being lower than the wider market forecast, as expected. At this stage investors feel the potential for an improvement in earnings isn't great enough to justify a higher P/E ratio. Unless the recent medium-term conditions improve, they will continue to form a barrier for the share price around these levels.

And what about other risks? Every company has them, and we've spotted 2 warning signs for Xiamen Port Development you should know about.

Of course, you might find a fantastic investment by looking at a few good candidates. So take a peek at this free list of companies with a strong growth track record, trading on a low P/E.

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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.