Century Sunshine Group Holdings Limited (HKG:509) shareholders have had their patience rewarded with a 50% share price jump in the last month. While recent buyers may be laughing, long-term holders might not be as pleased since the recent gain only brings the stock back to where it started a year ago.

In spite of the firm bounce in price, there still wouldn't be many who think Century Sunshine Group Holdings' price-to-sales (or "P/S") ratio of 0.2x is worth a mention when the median P/S in Hong Kong's Chemicals industry is similar at about 0.4x. While this might not raise any eyebrows, if the P/S ratio is not justified investors could be missing out on a potential opportunity or ignoring looming disappointment.

Check out our latest analysis for Century Sunshine Group Holdings

How Has Century Sunshine Group Holdings Performed Recently?

For instance, Century Sunshine Group Holdings' receding revenue in recent times would have to be some food for thought. It might be that many expect the company to put the disappointing revenue performance behind them over the coming period, which has kept the P/S from falling. If you like the company, you'd at least be hoping this is the case so that you could potentially pick up some stock while it's not quite in favour.

Is There Some Revenue Growth Forecasted For Century Sunshine Group Holdings?

In order to justify its P/S ratio, Century Sunshine Group Holdings would need to produce growth that's similar to the industry.

Taking a look back first, the company's revenue growth last year wasn't something to get excited about as it posted a disappointing decline of 63%. This means it has also seen a slide in revenue over the longer-term as revenue is down 91% in total over the last three years. Accordingly, shareholders would have felt downbeat about the medium-term rates of revenue growth.

In contrast to the company, the rest of the industry is expected to grow by 8.5% over the next year, which really puts the company's recent medium-term revenue decline into perspective.

With this information, we find it concerning that Century Sunshine Group Holdings is trading at a fairly similar P/S compared to the industry. Apparently many investors in the company are way less bearish than recent times would indicate and aren't willing to let go of their stock right now. Only the boldest would assume these prices are sustainable as a continuation of recent revenue trends is likely to weigh on the share price eventually.

The Bottom Line On Century Sunshine Group Holdings' P/S

Century Sunshine Group Holdings appears to be back in favour with a solid price jump bringing its P/S back in line with other companies in the industry While the price-to-sales ratio shouldn't be the defining factor in whether you buy a stock or not, it's quite a capable barometer of revenue expectations.

Our look at Century Sunshine Group Holdings revealed its shrinking revenues over the medium-term haven't impacted the P/S as much as we anticipated, given the industry is set to grow. When we see revenue heading backwards in the context of growing industry forecasts, it'd make sense to expect a possible share price decline on the horizon, sending the moderate P/S lower. If recent medium-term revenue trends continue, it will place shareholders' investments at risk and potential investors in danger of paying an unnecessary premium.

It is also worth noting that we have found 3 warning signs for Century Sunshine Group Holdings that you need to take into consideration.

It's important to make sure you look for a great company, not just the first idea you come across. So if growing profitability aligns with your idea of a great company, 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.