The Fujian Cement Inc. (SHSE:600802) share price has fared very poorly over the last month, falling by a substantial 26%. The drop over the last 30 days has capped off a tough year for shareholders, with the share price down 31% in that time.

Even after such a large drop in price, you could still be forgiven for feeling indifferent about Fujian Cement's P/S ratio of 0.8x, since the median price-to-sales (or "P/S") ratio for the Basic Materials industry in China is also close to 1.2x. However, investors might be overlooking a clear opportunity or potential setback if there is no rational basis for the P/S.

What Does Fujian Cement's Recent Performance Look Like?

As an illustration, revenue has deteriorated at Fujian Cement 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 not, then existing shareholders may be a little nervous about the viability of the share price.

Do Revenue Forecasts Match The P/S Ratio?

The only time you'd be comfortable seeing a P/S like Fujian Cement's is when the company's growth is tracking the industry closely.

In reviewing the last year of financials, we were disheartened to see the company's revenues fell to the tune of 31%. The last three years don't look nice either as the company has shrunk revenue by 30% in aggregate. So unfortunately, we have to acknowledge that the company has not done a great job of growing revenue over that time.

Weighing that medium-term revenue trajectory against the broader industry's one-year forecast for expansion of 16% shows it's an unpleasant look.

With this information, we find it concerning that Fujian Cement is trading at a fairly similar P/S compared to the industry. 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 on the share price eventually.

The Final Word

Following Fujian Cement's share price tumble, its P/S is just clinging on to the industry median P/S. 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.

The fact that Fujian Cement currently trades at a P/S on par with the rest of the industry is surprising to us since its recent revenues have been in decline over the medium-term, all while 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 Fujian Cement 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.