Despite an already strong run, Suli Co., Ltd. (SHSE:603585) shares have been powering on, with a gain of 28% in the last thirty days. While recent buyers may be laughing, long-term holders might not be as pleased since the recent gain only brings the stock back to where it started a year ago.

Although its price has surged higher, Suli's price-to-sales (or "P/S") ratio of 1.3x might still make it look like a buy right now compared to the Chemicals industry in China, where around half of the companies have P/S ratios above 2.3x and even P/S above 5x are quite common. Although, it's not wise to just take the P/S at face value as there may be an explanation why it's limited.

How Has Suli Performed Recently?

For example, consider that Suli's financial performance has been poor lately as its revenue has been in decline. Perhaps the market believes the recent revenue performance isn't good enough to keep up the industry, causing the P/S ratio to suffer. However, if this doesn't eventuate then existing shareholders may be feeling optimistic about the future direction of the share price.

How Is Suli's Revenue Growth Trending?

In order to justify its P/S ratio, Suli would need to produce sluggish growth that's trailing the industry.

In reviewing the last year of financials, we were disheartened to see the company's revenues fell to the tune of 3.4%. At least revenue has managed not to go completely backwards from three years ago in aggregate, thanks to the earlier period of growth. So it appears to us that the company has had a mixed result in terms of growing revenue over that time.

This is in contrast to the rest of the industry, which is expected to grow by 25% over the next year, materially higher than the company's recent medium-term annualised growth rates.

With this in consideration, it's easy to understand why Suli's P/S falls short of the mark set by its industry peers. It seems most investors are expecting to see the recent limited growth rates continue into the future and are only willing to pay a reduced amount for the stock.

What We Can Learn From Suli's P/S?

Suli's stock price has surged recently, but its but its P/S still remains modest. Typically, we'd caution against reading too much into price-to-sales ratios when settling on investment decisions, though it can reveal plenty about what other market participants think about the company.

In line with expectations, Suli maintains its low P/S on the weakness of its recent three-year growth being lower than the wider industry forecast. Right now shareholders are accepting the low P/S as they concede future revenue probably won't provide any pleasant surprises. If recent medium-term revenue trends continue, it's hard to see the share price experience a reversal of fortunes anytime soon.

It is also worth noting that we have found 2 warning signs for Suli (1 can't be ignored!) that you need to take into consideration.

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.