Jiangsu Olive Sensors High-Tech Co., Ltd. (SZSE:300507) shareholders are no doubt pleased to see that the share price has bounced 28% in the last month, although it is still struggling to make up recently lost ground. The bad news is that even after the stocks recovery in the last 30 days, shareholders are still underwater by about 7.0% over the last year.

In spite of the firm bounce in price, given about half the companies in China have price-to-earnings ratios (or "P/E's") above 32x, you may still consider Jiangsu Olive Sensors High-Tech as a highly attractive investment with its 15.5x P/E ratio. Nonetheless, we'd need to dig a little deeper to determine if there is a rational basis for the highly reduced P/E.

Jiangsu Olive Sensors High-Tech certainly has been doing a great job lately as it's been growing earnings at a really rapid pace. One possibility is that the P/E is low because investors think this strong earnings growth might actually underperform the broader market in the near future. If that doesn't eventuate, then existing shareholders have reason to be quite optimistic about the future direction of the share price.

Does Growth Match The Low P/E?

In order to justify its P/E ratio, Jiangsu Olive Sensors High-Tech would need to produce anemic growth that's substantially trailing the market.

If we review the last year of earnings growth, the company posted a terrific increase of 156%. The strong recent performance means it was also able to grow EPS by 172% in total over the last three years. Therefore, it's fair to say the earnings growth recently has been superb for the company.

It's interesting to note that the rest of the market is similarly expected to grow by 41% over the next year, which is fairly even with the company's recent medium-term annualised growth rates.

In light of this, it's peculiar that Jiangsu Olive Sensors High-Tech's P/E sits below the majority of other companies. Apparently some shareholders are more bearish than recent times would indicate and have been accepting lower selling prices.

What We Can Learn From Jiangsu Olive Sensors High-Tech's P/E?

Jiangsu Olive Sensors High-Tech's recent share price jump still sees its P/E sitting firmly flat on the ground. 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 Jiangsu Olive Sensors High-Tech currently trades on a lower than expected P/E since its recent three-year growth is in line with the wider market forecast. When we see average earnings with market-like growth, we assume potential risks are what might be placing pressure on the P/E ratio. At least the risk of a price drop looks to be subdued if recent medium-term earnings trends continue, but investors seem to think future earnings could see some volatility.

You should always think about risks. Case in point, we've spotted 2 warning signs for Jiangsu Olive Sensors High-Tech you should be aware of, and 1 of them is a bit concerning.

Of course, you might also be able to find a better stock than Jiangsu Olive Sensors High-Tech. 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.