Those holding Bosun Co., Ltd. (SZSE:002282) shares would be relieved that the share price has rebounded 32% in the last thirty days, but it needs to keep going to repair the recent damage it has caused to investor portfolios. Unfortunately, the gains of the last month did little to right the losses of the last year with the stock still down 18% over that time.

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 30x, you may still consider Bosun as an attractive investment with its 24.9x P/E ratio. Although, it's not wise to just take the P/E at face value as there may be an explanation why it's limited.

As an illustration, earnings have deteriorated at Bosun over the last year, which is not ideal at all. One possibility is that the P/E is low because investors think the company won't do enough to avoid underperforming the broader market in the near future. However, if this doesn't eventuate then existing shareholders may be feeling optimistic about the future direction of the share price.

How Is Bosun's Growth Trending?

Bosun'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 19%. This has soured the latest three-year period, which nevertheless managed to deliver a decent 15% overall rise in EPS. So we can start by confirming that the company has generally done a good job of growing earnings over that time, even though it had some hiccups along the way.

This is in contrast to the rest of the market, which is expected to grow by 41% over the next year, materially higher than the company's recent medium-term annualised growth rates.

In light of this, it's understandable that Bosun's P/E sits below the majority of other companies. It seems most investors are expecting to see the recent limited growth rates continue into the future and are only willing to pay a reduced amount for the stock.

The Key Takeaway

Bosun's stock might have been given a solid boost, but its P/E certainly hasn't reached any great heights. Generally, our preference is to limit the use of the price-to-earnings ratio to establishing what the market thinks about the overall health of a company.

As we suspected, our examination of Bosun revealed its three-year earnings trends are contributing to its low P/E, given they look worse than current market expectations. 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 rising strongly in the near future under these circumstances.

The company's balance sheet is another key area for risk analysis. Take a look at our free balance sheet analysis for Bosun with six simple checks on some of these key factors.

Of course, you might also be able to find a better stock than Bosun. 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.