To the annoyance of some shareholders, Wison Engineering Services Co. Ltd. (HKG:2236) shares are down a considerable 28% in the last month, which continues a horrid run for the company. The recent drop completes a disastrous twelve months for shareholders, who are sitting on a 51% loss during that time.

Even after such a large drop in price, it's still not a stretch to say that Wison Engineering Services' price-to-sales (or "P/S") ratio of 0.2x right now seems quite "middle-of-the-road" compared to the Energy Services industry in Hong Kong, where the median P/S ratio is around 0.3x. However, investors might be overlooking a clear opportunity or potential setback if there is no rational basis for the P/S.

What Does Wison Engineering Services' P/S Mean For Shareholders?

For example, consider that Wison Engineering Services' financial performance has been poor lately as its revenue has been in decline. 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 not, then existing shareholders may be a little nervous about the viability of the share price.

What Are Revenue Growth Metrics Telling Us About The P/S?

Wison Engineering Services' P/S ratio would be typical for a company that's only expected to deliver moderate growth, and importantly, perform in line with the industry.

In reviewing the last year of financials, we were disheartened to see the company's revenues fell to the tune of 18%. This means it has also seen a slide in revenue over the longer-term as revenue is down 27% in total over the last three years. Therefore, it's fair to say the revenue growth recently has been undesirable for the company.

Comparing that to the industry, which is predicted to deliver 16% growth in the next 12 months, the company's downward momentum based on recent medium-term revenue results is a sobering picture.

In light of this, it's somewhat alarming that Wison Engineering Services' P/S sits in line with the majority of other companies. 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.

What We Can Learn From Wison Engineering Services' P/S?

Following Wison Engineering Services' share price tumble, its P/S is just clinging on to the industry median P/S. Generally, our preference is to limit the use of the price-to-sales ratio to establishing what the market thinks about the overall health of a company.

Our look at Wison Engineering Services 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. Unless the recent medium-term conditions improve markedly, investors will have a hard time accepting the share price as fair value.

It is also worth noting that we have found 1 warning sign for Wison Engineering Services that you need to take into consideration.

If these risks are making you reconsider your opinion on Wison Engineering Services, 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.