Jiangsu Xinri E-Vehicle Co., Ltd. (SHSE:603787) shareholders are no doubt pleased to see that the share price has bounced 31% in the last month, although it is still struggling to make up recently lost ground. Not all shareholders will be feeling jubilant, since the share price is still down a very disappointing 41% in the last twelve months.

Although its price has surged higher, Jiangsu Xinri E-Vehicle may still be sending bullish signals at the moment with its price-to-earnings (or "P/E") ratio of 21.8x, since almost half of all companies in China have P/E ratios greater than 32x and even P/E's higher than 58x are not unusual. Nonetheless, we'd need to dig a little deeper to determine if there is a rational basis for the reduced P/E.

As an illustration, earnings have deteriorated at Jiangsu Xinri E-Vehicle over the last year, which is not ideal at all. It might be that many expect the disappointing earnings performance to continue or accelerate, which has repressed the P/E. If you like the company, you'd be hoping this isn't the case so that you could potentially pick up some stock while it's out of favour.

How Is Jiangsu Xinri E-Vehicle's Growth Trending?

Jiangsu Xinri E-Vehicle's P/E ratio would be typical for a company that's only expected to deliver limited growth, and importantly, perform worse than the market.

If we review the last year of earnings, dishearteningly the company's profits fell to the tune of 22%. The last three years don't look nice either as the company has shrunk EPS by 5.4% in aggregate. Accordingly, shareholders would have felt downbeat about the medium-term rates of earnings growth.

In contrast to the company, the rest of the market is expected to grow by 41% over the next year, which really puts the company's recent medium-term earnings decline into perspective.

In light of this, it's understandable that Jiangsu Xinri E-Vehicle's P/E would sit below the majority of other companies. However, we think shrinking earnings are unlikely to lead to a stable P/E over the longer term, which could set up shareholders for future disappointment. Even just maintaining these prices could be difficult to achieve as recent earnings trends are already weighing down the shares.

The Bottom Line On Jiangsu Xinri E-Vehicle's P/E

Despite Jiangsu Xinri E-Vehicle's shares building up a head of steam, its P/E still lags most other companies. 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.

As we suspected, our examination of Jiangsu Xinri E-Vehicle revealed its shrinking earnings over the medium-term are contributing to its low P/E, given the market is set to grow. Right now shareholders are accepting the low P/E as they concede future earnings probably won't provide any pleasant surprises. If recent medium-term earnings trends continue, it's hard to see the share price moving strongly in either direction in the near future under these circumstances.

Don't forget that there may be other risks. For instance, we've identified 3 warning signs for Jiangsu Xinri E-Vehicle (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.