When close to half the companies in the Machinery industry in China have price-to-sales ratios (or "P/S") below 2.5x, you may consider Inno Laser Technology Co., Ltd. (SZSE:301021) as a stock to avoid entirely with its 5.8x 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 Has Inno Laser Technology Performed Recently?

Recent times have been quite advantageous for Inno Laser Technology as its revenue has been rising very briskly. The P/S ratio is probably high because investors think this strong revenue growth will be enough to outperform the broader industry in the near future. If not, then existing shareholders might be a little nervous about the viability of the share price.

Do Revenue Forecasts Match The High P/S Ratio?

Inno Laser Technology's P/S ratio would be typical for a company that's expected to deliver very strong growth, and importantly, perform much better than the industry.

Retrospectively, the last year delivered an exceptional 31% gain to the company's top line. The latest three year period has also seen a 8.4% overall rise in revenue, aided extensively by its short-term performance. Therefore, it's fair to say the revenue growth recently has been respectable for the company.

Comparing the recent medium-term revenue trends against the industry's one-year growth forecast of 24% shows it's noticeably less attractive.

With this in mind, we find it worrying that Inno Laser Technology's P/S exceeds that of its industry peers. Apparently many investors in the company are way more bullish than recent times would indicate and aren't willing to let go of their stock at any price. 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.

What We Can Learn From Inno Laser Technology's P/S?

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 Inno Laser Technology 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. Unless the recent medium-term conditions improve markedly, it's very challenging to accept these the share price as being reasonable.

Before you settle on your opinion, we've discovered 2 warning signs for Inno Laser Technology (1 is concerning!) that you should be aware of.

It's important to make sure you look for a great company, not just the first idea you come across. So if growing profitability aligns with your idea of a great company, take a peek at this free list of interesting companies with strong recent earnings growth (and a low P/E).

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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.