HK Asia Holdings Limited (HKG:1723) shareholders are no doubt pleased to see that the share price has bounced 33% in the last month, although it is still struggling to make up recently lost ground. The annual gain comes to 109% following the latest surge, making investors sit up and take notice.

In spite of the firm bounce in price, there still wouldn't be many who think HK Asia Holdings' price-to-earnings (or "P/E") ratio of 8.9x is worth a mention when the median P/E in Hong Kong is similar at about 9x. Although, it's not wise to simply ignore the P/E without explanation as investors may be disregarding a distinct opportunity or a costly mistake.

HK Asia Holdings certainly has been doing a great job lately as it's been growing earnings at a really rapid pace. It might be that many expect the strong earnings performance to wane, which has kept the P/E from rising. If that doesn't eventuate, then existing shareholders have reason to be feeling optimistic about the future direction of the share price.

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

The only time you'd be comfortable seeing a P/E like HK Asia Holdings' is when the company's growth is tracking the market closely.

Taking a look back first, we see that the company grew earnings per share by an impressive 277% last year. The strong recent performance means it was also able to grow EPS by 38% in total over the last three years. Therefore, it's fair to say the earnings growth recently has been superb for the company.

Weighing that recent medium-term earnings trajectory against the broader market's one-year forecast for expansion of 21% shows it's noticeably less attractive on an annualised basis.

In light of this, it's curious that HK Asia Holdings' P/E sits in line with the majority of other companies. It seems most investors are ignoring the fairly limited recent growth rates and are willing to pay up for exposure to the stock. They may be setting themselves up for future disappointment if the P/E falls to levels more in line with recent growth rates.

The Final Word

Its shares have lifted substantially and now HK Asia Holdings' P/E is also back up to the market median. Typically, we'd caution against reading too much into price-to-earnings ratios when settling on investment decisions, though it can reveal plenty about what other market participants think about the company.

Our examination of HK Asia Holdings revealed its three-year earnings trends aren't impacting its P/E as much as we would have predicted, given they look worse than current market expectations. When we see weak earnings with slower than market growth, we suspect the share price is at risk of declining, sending the moderate P/E lower. If recent medium-term earnings trends continue, it will place shareholders' investments at risk and potential investors in danger of paying an unnecessary premium.

You should always think about risks. Case in point, we've spotted 3 warning signs for HK Asia Holdings you should be aware of, and 1 of them makes us a bit uncomfortable.

Of course, you might also be able to find a better stock than HK Asia Holdings. So you may wish to see this free collection of other companies that have reasonable P/E ratios and have grown earnings strongly.

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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.