Thelloy Development Group Limited (HKG:1546) shareholders have had their patience rewarded with a 31% share price jump in the last month. Unfortunately, the gains of the last month did little to right the losses of the last year with the stock still down 18% over that time.

Although its price has surged higher, there still wouldn't be many who think Thelloy Development Group's price-to-earnings (or "P/E") ratio of 10.2x 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.

For example, consider that Thelloy Development Group's financial performance has been poor lately as its earnings have been in decline. It might be that many expect the company to put the disappointing earnings performance behind them over the coming period, which has kept the P/E from falling. If not, then existing shareholders may be a little nervous about the viability of the share price.

Is There Some Growth For Thelloy Development Group?

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

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 35%. The last three years don't look nice either as the company has shrunk EPS by 61% in aggregate. So unfortunately, we have to acknowledge that the company has not done a great job of growing earnings over that time.

In contrast to the company, the rest of the market is expected to grow by 19% over the next year, which really puts the company's recent medium-term earnings decline into perspective.

In light of this, it's somewhat alarming that Thelloy Development Group's P/E sits in line with the majority of other companies. Apparently many investors in the company are way less bearish than recent times would indicate and aren't willing to let go of their stock right now. Only the boldest would assume these prices are sustainable as a continuation of recent earnings trends is likely to weigh on the share price eventually.

The Final Word

Thelloy Development Group appears to be back in favour with a solid price jump getting its P/E back in line with most other companies. 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 Thelloy Development Group currently trades on a higher than expected P/E since its recent earnings have been in decline over the medium-term. When we see earnings heading backwards and underperforming the market forecasts, we suspect the share price is at risk of declining, sending the moderate P/E lower. Unless the recent medium-term conditions improve, it's challenging to accept these prices as being reasonable.

Don't forget that there may be other risks. For instance, we've identified 4 warning signs for Thelloy Development Group (1 shouldn't be ignored) 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.