Suqian Unitech Corp.,Ltd. (SHSE:603065) shares have had a really impressive month, gaining 26% after a shaky period beforehand. 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.

After such a large jump in price, when almost half of the companies in China's Chemicals industry have price-to-sales ratios (or "P/S") below 2.4x, you may consider Suqian UnitechLtd as a stock not worth researching with its 4.6x P/S ratio. However, the P/S might be quite high for a reason and it requires further investigation to determine if it's justified.

Check out our latest analysis for Suqian UnitechLtd

How Has Suqian UnitechLtd Performed Recently?

For instance, Suqian UnitechLtd's receding revenue in recent times would have to be some food for thought. One possibility is that the P/S is high because investors think the company will still do 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.

Is There Enough Revenue Growth Forecasted For Suqian UnitechLtd?

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

Retrospectively, the last year delivered a frustrating 21% decrease to the company's top line. That put a dampener on the good run it was having over the longer-term as its three-year revenue growth is still a noteworthy 23% in total. Although it's been a bumpy ride, it's still fair to say the revenue growth recently has been mostly respectable for the company.

Comparing that to the industry, which is predicted to deliver 31% growth in the next 12 months, the company's momentum is weaker, based on recent medium-term annualised revenue results.

With this information, we find it concerning that Suqian UnitechLtd is trading at a P/S higher than the industry. It seems most investors are ignoring the fairly limited recent growth rates and are hoping for a turnaround in the company's business prospects. There's a good chance existing shareholders are setting themselves up for future disappointment if the P/S falls to levels more in line with recent growth rates.

The Bottom Line On Suqian UnitechLtd's P/S

Shares in Suqian UnitechLtd have seen a strong upwards swing lately, which has really helped boost its P/S figure. We'd say the price-to-sales ratio's power isn't primarily as a valuation instrument but rather to gauge current investor sentiment and future expectations.

Our examination of Suqian UnitechLtd revealed its poor three-year revenue trends aren't detracting from the P/S as much as we though, given they look worse than current industry expectations. When we see slower than industry revenue growth but an elevated P/S, there's considerable risk of the share price declining, sending the P/S lower. 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.

You need to take note of risks, for example - Suqian UnitechLtd has 2 warning signs (and 1 which is concerning) we think you should know about.

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.