With a median price-to-earnings (or "P/E") ratio of close to 27x in China, you could be forgiven for feeling indifferent about Suntak Technology Co.,Ltd.'s (SZSE:002815) P/E ratio of 24.9x. However, investors might be overlooking a clear opportunity or potential setback if there is no rational basis for the P/E.

For example, consider that Suntak TechnologyLtd'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 you like the company, you'd at least be hoping this is the case so that you could potentially pick up some stock while it's not quite in favour.

Is There Some Growth For Suntak TechnologyLtd?

In order to justify its P/E ratio, Suntak TechnologyLtd would need to produce growth that's similar to 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 54%. The last three years don't look nice either as the company has shrunk EPS by 34% in aggregate. So unfortunately, we have to acknowledge that the company has not done a great job of growing earnings over that time.

Weighing that medium-term earnings trajectory against the broader market's one-year forecast for expansion of 36% shows it's an unpleasant look.

In light of this, it's somewhat alarming that Suntak TechnologyLtd's P/E sits in line with the majority of other companies. It seems most investors are ignoring the recent poor growth rate and are hoping for a turnaround in the company's business prospects. There's a good chance existing shareholders are setting themselves up for future disappointment if the P/E falls to levels more in line with the recent negative growth rates.

The Key Takeaway

Generally, our preference is to limit the use of the price-to-earnings ratio to establishing what the market thinks about the overall health of a company.

We've established that Suntak TechnologyLtd currently trades on a higher than expected P/E since its recent earnings have been in decline over the medium-term. Right now we are uncomfortable with the P/E as this earnings performance is unlikely to support a more positive sentiment for long. Unless the recent medium-term conditions improve, it's challenging to accept these prices as being reasonable.

Before you take the next step, you should know about the 4 warning signs for Suntak TechnologyLtd (1 is significant!) that we have uncovered.

If these risks are making you reconsider your opinion on Suntak TechnologyLtd, explore our interactive list of high quality stocks to get an idea of what else is out there.

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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.