Those holding Hi Sun Technology (China) Limited (HKG:818) shares would be relieved that the share price has rebounded 28% 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 35% over that time.

In spite of the firm bounce in price, Hi Sun Technology (China) may still be sending bullish signals at the moment with its price-to-earnings (or "P/E") ratio of 6.8x, since almost half of all companies in Hong Kong have P/E ratios greater than 9x and even P/E's higher than 18x are not unusual. Nonetheless, we'd need to dig a little deeper to determine if there is a rational basis for the reduced P/E.

For instance, Hi Sun Technology (China)'s receding earnings in recent times would have to be some food for thought. 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. If you like the company, you'd be hoping this isn't the case so that you could potentially pick up some stock while it's out of favour.

Is There Any Growth For Hi Sun Technology (China)?

The only time you'd be truly comfortable seeing a P/E as low as Hi Sun Technology (China)'s is when the company's growth is on track to lag the market.

If we review the last year of earnings, dishearteningly the company's profits fell to the tune of 72%. The last three years don't look nice either as the company has shrunk EPS by 96% in aggregate. Accordingly, shareholders would have felt downbeat about the medium-term rates of earnings growth.

In contrast to the company, the rest of the market is expected to grow by 21% 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 Hi Sun Technology (China)'s P/E would sit below the majority of other companies. Nonetheless, there's no guarantee the P/E has reached a floor yet with earnings going in reverse. There's potential for the P/E to fall to even lower levels if the company doesn't improve its profitability.

The Key Takeaway

Hi Sun Technology (China)'s stock might have been given a solid boost, but its P/E certainly hasn't reached any great heights. 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 Hi Sun Technology (China) 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. If recent medium-term earnings trends continue, it's hard to see the share price moving strongly in either direction in the near future under these circumstances.

And what about other risks? Every company has them, and we've spotted 3 warning signs for Hi Sun Technology (China) (of which 1 is potentially serious!) you should know about.

If you're unsure about the strength of Hi Sun Technology (China)'s business, why not explore our interactive list of stocks with solid business fundamentals for some other companies you may have missed.

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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.