Those holding Hangzhou Yitong New Material Co., LTD (SZSE:300930) 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. Not all shareholders will be feeling jubilant, since the share price is still down a very disappointing 30% in the last twelve months.

In spite of the firm bounce in price, you could still be forgiven for feeling indifferent about Hangzhou Yitong New Material's P/E ratio of 28.3x, since the median price-to-earnings (or "P/E") ratio in China is also close to 31x. 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 Hangzhou Yitong New Material'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.

Does Growth Match The P/E?

In order to justify its P/E ratio, Hangzhou Yitong New Material would need to produce growth that's similar to the market.

If we review the last year of earnings, dishearteningly the company's profits fell to the tune of 32%. This means it has also seen a slide in earnings over the longer-term as EPS is down 20% in total over the last three years. Therefore, it's fair to say the earnings growth recently has been undesirable for the company.

Weighing that medium-term earnings trajectory against the broader market's one-year forecast for expansion of 41% shows it's an unpleasant look.

With this information, we find it concerning that Hangzhou Yitong New Material is trading at a fairly similar P/E to the market. 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. 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 Bottom Line On Hangzhou Yitong New Material's P/E

Its shares have lifted substantially and now Hangzhou Yitong New Material's P/E is also back up to the market median. It's argued the price-to-earnings ratio is an inferior measure of value within certain industries, but it can be a powerful business sentiment indicator.

We've established that Hangzhou Yitong New Material 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. If recent medium-term earnings trends continue, it will place shareholders' investments at risk and potential investors in danger of paying an unnecessary premium.

And what about other risks? Every company has them, and we've spotted 1 warning sign for Hangzhou Yitong New Material you should know about.

It's important to make sure you look for a great company, not just the first idea you come across. So take a peek at this free list of interesting companies with strong recent earnings growth (and a low P/E).

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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.