Jiangxi Changyun Co., Ltd. (SHSE:600561) shareholders are no doubt pleased to see that the share price has bounced 32% in the last month, although it is still struggling to make up recently lost ground. Unfortunately, the gains of the last month did little to right the losses of the last year with the stock still down 17% over that time.

Even after such a large jump in price, Jiangxi Changyun's price-to-sales (or "P/S") ratio of 0.9x might still make it look like a buy right now compared to the Transportation industry in China, where around half of the companies have P/S ratios above 2.2x and even P/S above 5x are quite common. Nonetheless, we'd need to dig a little deeper to determine if there is a rational basis for the reduced P/S.

How Jiangxi Changyun Has Been Performing

It looks like revenue growth has deserted Jiangxi Changyun recently, which is not something to boast about. It might be that many expect the uninspiring revenue performance to worsen, which has repressed the P/S. If you like the company, you'd be hoping this isn't the case so that you could potentially pick up some stock while it's out of favour.

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

There's an inherent assumption that a company should underperform the industry for P/S ratios like Jiangxi Changyun's to be considered reasonable.

Taking a look back first, we see that there was hardly any revenue growth to speak of for the company over the past year. Whilst it's an improvement, it wasn't enough to get the company out of the hole it was in, with revenue down 20% overall from three years ago. 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 20% 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 understand why Jiangxi Changyun's P/S is lower than most of its industry peers. Nonetheless, there's no guarantee the P/S has reached a floor yet with revenue going in reverse. Even just maintaining these prices could be difficult to achieve as recent revenue trends are already weighing down the shares.

What Does Jiangxi Changyun's P/S Mean For Investors?

Jiangxi Changyun's stock price has surged recently, but its but its P/S still remains modest. 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 examination of Jiangxi Changyun confirms that the company's shrinking revenue over the past medium-term is a key factor in its low price-to-sales ratio, given the industry is projected to grow. Right now shareholders are accepting the low P/S as they concede future revenue probably won't provide any pleasant surprises either. If recent medium-term revenue trends continue, it's hard to see the share price moving strongly in either direction in the near future under these circumstances.

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

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.