When close to half the companies in the Food industry in China have price-to-sales ratios (or "P/S") below 1.4x, you may consider Lontrue Co., Ltd. (SZSE:300175) as a stock to avoid entirely with its 12.2x P/S ratio. Although, it's not wise to just take the P/S at face value as there may be an explanation why it's so lofty.

How Lontrue Has Been Performing

Revenue has risen firmly for Lontrue recently, which is pleasing to see. It might be that many expect the respectable revenue performance to beat most other companies over the coming period, which has increased investors' willingness to pay up for the stock. If not, then existing shareholders may be a little nervous about the viability of the share price.

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

The only time you'd be truly comfortable seeing a P/S as steep as Lontrue's is when the company's growth is on track to outshine the industry decidedly.

Taking a look back first, we see that the company grew revenue by an impressive 19% last year. Still, revenue has fallen 13% in total from three years ago, which is quite disappointing. Accordingly, shareholders would have felt downbeat about the medium-term rates of revenue growth.

In contrast to the company, the rest of the industry is expected to grow by 17% over the next year, which really puts the company's recent medium-term revenue decline into perspective.

With this information, we find it concerning that Lontrue is trading at a P/S higher than 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 heavily on the share price eventually.

The Final Word

It's argued the price-to-sales ratio is an inferior measure of value within certain industries, but it can be a powerful business sentiment indicator.

Our examination of Lontrue revealed its shrinking revenue over the medium-term isn't resulting in a P/S as low as we expected, given the industry is set to grow. 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. 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.

And what about other risks? Every company has them, and we've spotted 2 warning signs for Lontrue you should know about.

If companies with solid past earnings growth is up your alley, you may wish to see this free collection of other companies with strong earnings growth and low P/E ratios.

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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.

Have feedback on this article? Concerned about the content? Get in touch with us directly. Alternatively, email editorial-team@simplywallst.com