The Jiangxi Xinyu Guoke Technology Co., Ltd (SZSE:300722) share price has fared very poorly over the last month, falling by a substantial 27%. Instead of being rewarded, shareholders who have already held through the last twelve months are now sitting on a 20% share price drop.

Even after such a large drop in price, Jiangxi Xinyu Guoke Technology's price-to-earnings (or "P/E") ratio of 59x might still make it look like a strong sell right now compared to the market in China, where around half of the companies have P/E ratios below 27x and even P/E's below 17x are quite common. Nonetheless, we'd need to dig a little deeper to determine if there is a rational basis for the highly elevated P/E.

Jiangxi Xinyu Guoke Technology has been doing a decent job lately as it's been growing earnings at a reasonable pace. It might be that many expect the reasonable earnings performance to beat most other companies over the coming period, which has increased investors' willingness to pay up for the stock. You'd really hope so, otherwise you're paying a pretty hefty price for no particular reason.

Does Growth Match The High P/E?

Jiangxi Xinyu Guoke Technology's P/E ratio would be typical for a company that's expected to deliver very strong growth, and importantly, perform much better than the market.

Taking a look back first, we see that the company managed to grow earnings per share by a handy 5.3% last year. The latest three year period has also seen an excellent 85% overall rise in EPS, aided somewhat by its short-term performance. Accordingly, shareholders would have probably welcomed those medium-term rates of earnings growth.

Weighing that recent medium-term earnings trajectory against the broader market's one-year forecast for expansion of 41% shows it's noticeably less attractive on an annualised basis.

In light of this, it's alarming that Jiangxi Xinyu Guoke Technology's P/E sits above the majority of other companies. 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. Only the boldest would assume these prices are sustainable as a continuation of recent earnings trends is likely to weigh heavily on the share price eventually.

The Final Word

Even after such a strong price drop, Jiangxi Xinyu Guoke Technology's P/E still exceeds the rest of the market significantly. 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 Jiangxi Xinyu Guoke Technology 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.

A lot of potential risks can sit within a company's balance sheet. You can assess many of the main risks through our free balance sheet analysis for Jiangxi Xinyu Guoke Technology with six simple checks.

Of course, you might also be able to find a better stock than Jiangxi Xinyu Guoke Technology. 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.