The Shentong Technology Group Co., Ltd (SHSE:605228) share price has softened a substantial 27% over the previous 30 days, handing back much of the gains the stock has made lately. Still, a bad month hasn't completely ruined the past year with the stock gaining 39%, which is great even in a bull market.

In spite of the heavy fall in price, given close to half the companies operating in China's Auto Components industry have price-to-sales ratios (or "P/S") below 2.8x, you may still consider Shentong Technology Group as a stock to potentially avoid with its 3.4x 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 as high as it is.

See our latest analysis for Shentong Technology Group

What Does Shentong Technology Group's P/S Mean For Shareholders?

The recent revenue growth at Shentong Technology Group would have to be considered satisfactory if not spectacular. One possibility is that the P/S ratio is high because investors think this good revenue growth will be enough to outperform the broader industry in the near future. You'd really hope so, otherwise you're paying a pretty hefty price for no particular reason.

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

Shentong Technology Group's P/S ratio would be typical for a company that's expected to deliver solid growth, and importantly, perform better than the industry.

If we review the last year of revenue growth, the company posted a worthy increase of 7.0%. Still, revenue has barely risen at all in aggregate from three years ago, which is not ideal. Accordingly, shareholders probably wouldn't have been overly satisfied with the unstable medium-term growth rates.

Comparing the recent medium-term revenue trends against the industry's one-year growth forecast of 27% shows it's noticeably less attractive.

In light of this, it's alarming that Shentong Technology Group's P/S sits above the majority of other companies. It seems most investors are ignoring the fairly limited recent growth rates 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.

What Does Shentong Technology Group's P/S Mean For Investors?

Despite the recent share price weakness, Shentong Technology Group's P/S remains higher than most other companies in the industry. While the price-to-sales ratio shouldn't be the defining factor in whether you buy a stock or not, it's quite a capable barometer of revenue expectations.

The fact that Shentong Technology Group currently trades on a higher P/S relative to the industry is an oddity, since its recent three-year growth is lower than the wider industry forecast. When we observe slower-than-industry revenue growth alongside a high P/S ratio, we assume there to be a significant risk of the share price decreasing, which would result in a lower P/S ratio. Unless the recent medium-term conditions improve markedly, it's very challenging to accept these the share price as being reasonable.

Don't forget that there may be other risks. For instance, we've identified 4 warning signs for Shentong Technology Group (2 are significant) you should be aware of.

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.