Shanghai Yimin Commercial Group Co., Ltd.'s (SHSE:600824) price-to-sales (or "P/S") ratio of 4x may look like a poor investment opportunity when you consider close to half the companies in the Multiline Retail industry in China have P/S ratios below 1.5x. However, the P/S might be quite high for a reason and it requires further investigation to determine if it's justified.

How Shanghai Yimin Commercial Group Has Been Performing

As an illustration, revenue has deteriorated at Shanghai Yimin Commercial 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. However, if this isn't the case, investors might get caught out paying too much for the stock.

How Is Shanghai Yimin Commercial Group's Revenue Growth Trending?

There's an inherent assumption that a company should far outperform the industry for P/S ratios like Shanghai Yimin Commercial Group's to be considered reasonable.

Retrospectively, the last year delivered a frustrating 11% decrease to the company's top line. As a result, revenue from three years ago have also fallen 13% overall. Accordingly, shareholders would have felt downbeat about the medium-term rates of revenue growth.

Comparing that to the industry, which is predicted to deliver 14% growth in the next 12 months, the company's downward momentum based on recent medium-term revenue results is a sobering picture.

With this in mind, we find it worrying that Shanghai Yimin Commercial Group's P/S exceeds that of its industry peers. 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.

The Final Word

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 Shanghai Yimin Commercial Group currently trades on a much higher than expected P/S since its recent revenues have been in decline over the medium-term. With a revenue decline on investors' minds, the likelihood of a souring sentiment is quite high which could send the P/S back in line with what we'd expect. Should recent medium-term revenue trends persist, it would pose a significant risk to existing shareholders' investments and prospective investors will have a hard time accepting the current value of the stock.

Before you take the next step, you should know about the 1 warning sign for Shanghai Yimin Commercial Group that we have uncovered.

Of course, profitable companies with a history of great earnings growth are generally safer bets. So you may wish to see this free collection of other companies that have reasonable P/E ratios and have grown earnings strongly.

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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.