Xinglong Holding (Group) Company Ltd. (SZSE:000955) shareholders won't be pleased to see that the share price has had a very rough month, dropping 29% and undoing the prior period's positive performance. Longer-term shareholders would now have taken a real hit with the stock declining 8.1% in the last year.

Although its price has dipped substantially, you could still be forgiven for thinking Xinglong Holding (Group) is a stock not worth researching with a price-to-sales ratios (or "P/S") of 3.1x, considering almost half the companies in China's Luxury industry have P/S ratios below 1.7x. Nonetheless, we'd need to dig a little deeper to determine if there is a rational basis for the elevated P/S.

How Has Xinglong Holding (Group) Performed Recently?

As an illustration, revenue has deteriorated at Xinglong Holding (Group) over the last year, which is not ideal at all. It might be that many expect the company to still outplay most other companies over the coming period, which has kept the P/S from collapsing. If not, then existing shareholders may be quite nervous about the viability of the share price.

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

In order to justify its P/S ratio, Xinglong Holding (Group) would need to produce impressive growth in excess of the industry.

In reviewing the last year of financials, we were disheartened to see the company's revenues fell to the tune of 13%. The last three years don't look nice either as the company has shrunk revenue by 43% in aggregate. So unfortunately, we have to acknowledge that the company has not done a great job of growing revenue over that time.

Comparing that to the industry, which is predicted to deliver 18% 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 alarming that Xinglong Holding (Group)'s P/S sits above 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. Only the boldest would assume these prices are sustainable as a continuation of recent revenue trends is likely to weigh heavily on the share price eventually.

What We Can Learn From Xinglong Holding (Group)'s P/S?

There's still some elevation in Xinglong Holding (Group)'s P/S, even if the same can't be said for its share price recently. 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.

We've established that Xinglong Holding (Group) currently trades on a much higher than expected P/S since its recent revenues have been in decline over the medium-term. When we see revenue heading backwards and underperforming the industry forecasts, we feel the possibility of the share price declining is very real, bringing the P/S back into the realm of reasonability. If recent medium-term revenue trends continue, it will place shareholders' investments at significant risk and potential investors in danger of paying an excessive premium.

There are also other vital risk factors to consider before investing and we've discovered 1 warning sign for Xinglong Holding (Group) that you should be aware of.

If you're unsure about the strength of Xinglong Holding (Group)'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.