Unfortunately for some shareholders, the Jiangsu Sainty Corp., Ltd. (SHSE:600287) share price has dived 28% in the last thirty days, prolonging recent pain. Instead of being rewarded, shareholders who have already held through the last twelve months are now sitting on a 49% share price drop.

In spite of the heavy fall in price, Jiangsu Sainty's price-to-earnings (or "P/E") ratio of 17.5x might still make it look like a buy right now compared to the market in China, where around half of the companies have P/E ratios above 28x and even P/E's above 52x are quite common. Although, it's not wise to just take the P/E at face value as there may be an explanation why it's limited.

The earnings growth achieved at Jiangsu Sainty over the last year would be more than acceptable for most companies. It might be that many expect the respectable earnings performance to degrade substantially, which has repressed the P/E. If that doesn't eventuate, then existing shareholders have reason to be optimistic about the future direction of the share price.

What Are Growth Metrics Telling Us About The Low P/E?

Jiangsu Sainty'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 growth, the company posted a worthy increase of 10%. Ultimately though, it couldn't turn around the poor performance of the prior period, with EPS shrinking 26% in total over the last three years. So unfortunately, we have to acknowledge that the company has not done a great job of growing earnings over that time.

In contrast to the company, the rest of the market is expected to grow by 36% 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 Sainty'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.

What We Can Learn From Jiangsu Sainty's P/E?

Jiangsu Sainty's recently weak share price has pulled its P/E below 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 Sainty 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. Unless the recent medium-term conditions improve, they will continue to form a barrier for the share price around these levels.

Before you take the next step, you should know about the 1 warning sign for Jiangsu Sainty that we have uncovered.

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.

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