With a price-to-earnings (or "P/E") ratio of 14.7x Zhuhai Port Co.,Ltd. (SZSE:000507) may be sending very 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 57x 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 so limited.

For example, consider that Zhuhai PortLtd's financial performance has been poor lately as its earnings have been in decline. 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.

See our latest analysis for Zhuhai PortLtd

How Is Zhuhai PortLtd's Growth Trending?

Zhuhai PortLtd's P/E ratio would be typical for a company that's expected to deliver very poor growth or even falling earnings, and importantly, perform much worse than the market.

Retrospectively, the last year delivered a frustrating 28% decrease to the company's bottom line. However, a few very strong years before that means that it was still able to grow EPS by an impressive 46% in total over the last three years. Accordingly, while they would have preferred to keep the run going, shareholders would probably welcome the medium-term rates of earnings growth.

This is in contrast to the rest of the market, which is expected to grow by 42% over the next year, materially higher than the company's recent medium-term annualised growth rates.

In light of this, it's understandable that Zhuhai PortLtd's P/E sits below the majority of other companies. Apparently many shareholders weren't comfortable holding on to something they believe will continue to trail the bourse.

The Bottom Line On Zhuhai PortLtd's P/E

While the price-to-earnings ratio shouldn't be the defining factor in whether you buy a stock or not, it's quite a capable barometer of earnings expectations.

As we suspected, our examination of Zhuhai PortLtd revealed its three-year earnings trends are contributing to its low P/E, given they look worse than current market expectations. At this stage investors feel the potential for an improvement in earnings isn't great enough to justify a higher P/E ratio. If recent medium-term earnings trends continue, it's hard to see the share price rising strongly in the near future under these circumstances.

Having said that, be aware Zhuhai PortLtd is showing 2 warning signs in our investment analysis, and 1 of those is potentially serious.

It's important to make sure you look for a great company, not just the first idea you come across. So take a peek at this free list of interesting companies with strong recent earnings growth (and 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.