Those holding Suzhou Agioe Technologies Co., Ltd. (SHSE:688450) shares would be relieved that the share price has rebounded 30% in the last thirty days, but it needs to keep going to repair the recent damage it has caused to investor portfolios. Longer-term shareholders would be thankful for the recovery in the share price since it's now virtually flat for the year after the recent bounce.

After such a large jump in price, given around half the companies in China have price-to-earnings ratios (or "P/E's") below 29x, you may consider Suzhou Agioe Technologies as a stock to potentially avoid with its 35.9x P/E ratio. However, the P/E might be high for a reason and it requires further investigation to determine if it's justified.

For example, consider that Suzhou Agioe Technologies' financial performance has been poor lately as its earnings have been in decline. One possibility is that the P/E is high because investors think the company will still do enough to outperform the broader market in the near future. If not, then existing shareholders may be quite nervous about the viability of the share price.

Does Growth Match The High P/E?

Suzhou Agioe Technologies' P/E ratio would be typical for a company that's expected to deliver solid growth, and importantly, perform better than the market.

If we review the last year of earnings, dishearteningly the company's profits fell to the tune of 37%. That put a dampener on the good run it was having over the longer-term as its three-year EPS growth is still a noteworthy 5.4% in total. So we can start by confirming that the company has generally done a good job of growing earnings over that time, even though it had some hiccups along the way.

Comparing that to the market, which is predicted to deliver 41% growth in the next 12 months, the company's momentum is weaker based on recent medium-term annualised earnings results.

With this information, we find it concerning that Suzhou Agioe Technologies is trading at a P/E higher than the market. Apparently many investors in the company are way more bullish than recent times would indicate and aren't willing to let go of their stock at any price. 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 recent growth rates.

What We Can Learn From Suzhou Agioe Technologies' P/E?

The large bounce in Suzhou Agioe Technologies' shares has lifted the company's P/E to a fairly high level. 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.

Our examination of Suzhou Agioe Technologies revealed its three-year earnings trends aren't impacting its high P/E anywhere near 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 high P/E lower. Unless the recent medium-term conditions improve markedly, it's very challenging to accept these prices as being reasonable.

Many other vital risk factors can be found on the company's balance sheet. Our free balance sheet analysis for Suzhou Agioe Technologies with six simple checks will allow you to discover any risks that could be an issue.

Of course, you might also be able to find a better stock than Suzhou Agioe Technologies. 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.