Sang Hing Holdings (International) Limited (HKG:1472) shareholders would be excited to see that the share price has had a great month, posting a 37% gain and recovering from prior weakness. Unfortunately, the gains of the last month did little to right the losses of the last year with the stock still down 20% over that time.

Although its price has surged higher, there still wouldn't be many who think Sang Hing Holdings (International)'s price-to-sales (or "P/S") ratio of 0.3x is worth a mention when it essentially matches the median P/S in Hong Kong's Construction industry. Although, it's not wise to simply ignore the P/S without explanation as investors may be disregarding a distinct opportunity or a costly mistake.

How Has Sang Hing Holdings (International) Performed Recently?

As an illustration, revenue has deteriorated at Sang Hing Holdings (International) over the last year, which is not ideal at all. One possibility is that the P/S is moderate because investors think the company might still do enough to be in line with the broader industry in the near future. 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.

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

In order to justify its P/S ratio, Sang Hing Holdings (International) 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 39%. This means it has also seen a slide in revenue over the longer-term as revenue is down 48% 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 12% over the next year, which really puts the company's recent medium-term revenue decline into perspective.

In light of this, it's somewhat alarming that Sang Hing Holdings (International)'s P/S sits in line with the majority of other companies. It seems most investors are ignoring the recent poor growth rate and are hoping for a turnaround in the company's business prospects. There's a good chance existing shareholders are setting themselves up for future disappointment if the P/S falls to levels more in line with the recent negative growth rates.

The Final Word

Sang Hing Holdings (International) appears to be back in favour with a solid price jump bringing its P/S back in line with other companies in the industry Using the price-to-sales ratio alone to determine if you should sell your stock isn't sensible, however it can be a practical guide to the company's future prospects.

Our look at Sang Hing Holdings (International) 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.

Before you take the next step, you should know about the 3 warning signs for Sang Hing Holdings (International) (1 is a bit unpleasant!) that we have uncovered.

If strong companies turning a profit tickle your fancy, then you'll want to check out this free list of interesting companies that trade on a low P/E (but have proven they can grow earnings).

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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.