Power HF Co., Ltd. (SHSE:605100) shareholders are no doubt pleased to see that the share price has bounced 30% 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 11% in the last twelve months.

Following the firm bounce in price, Power HF may be sending bearish signals at the moment with its price-to-earnings (or "P/E") ratio of 36.7x, since almost half of all companies in China have P/E ratios under 29x and even P/E's lower than 18x are not unusual. Although, it's not wise to just take the P/E at face value as there may be an explanation why it's as high as it is.

Power HF has been doing a good job lately as it's been growing earnings at a solid pace. It might be that many expect the respectable earnings performance to beat most other companies over the coming period, which has increased investors' willingness to pay up for the stock. If not, then existing shareholders may be a little nervous about the viability of the share price.

Is There Enough Growth For Power HF?

In order to justify its P/E ratio, Power HF would need to produce impressive growth in excess of the market.

Retrospectively, the last year delivered a decent 13% gain to the company's bottom line. However, this wasn't enough as the latest three year period has seen an unpleasant 75% overall drop in EPS. 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 41% over the next year, which really puts the company's recent medium-term earnings decline into perspective.

With this information, we find it concerning that Power HF is trading at a P/E higher than the market. Apparently many investors in the company are way more bullish than recent times would indicate and aren't willing to let go of their stock at any price. There's a very 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.

What We Can Learn From Power HF's P/E?

Power HF's P/E is getting right up there since its shares have risen strongly. 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.

Our examination of Power HF revealed its shrinking earnings over the medium-term aren't impacting its high P/E anywhere near as much as we would have predicted, given the market is set to grow. Right now we are increasingly uncomfortable with the high P/E as this earnings performance is highly unlikely to support such positive sentiment for long. Unless the recent medium-term conditions improve markedly, it's very challenging to accept these prices as being reasonable.

You should always think about risks. Case in point, we've spotted 4 warning signs for Power HF you should be aware of, and 1 of them is significant.

If these risks are making you reconsider your opinion on Power HF, explore our interactive list of high quality stocks to get an idea of what else is out there.

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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.