Saimo Technology Co.,Ltd. (SZSE:300466) shareholders have had their patience rewarded with a 33% share price jump in the last month. Taking a wider view, although not as strong as the last month, the full year gain of 11% is also fairly reasonable.

After such a large jump in price, when almost half of the companies in China's Machinery industry have price-to-sales ratios (or "P/S") below 2.8x, you may consider Saimo TechnologyLtd as a stock not worth researching with its 6.1x P/S ratio. Nonetheless, we'd need to dig a little deeper to determine if there is a rational basis for the highly elevated P/S.

What Does Saimo TechnologyLtd's Recent Performance Look Like?

For instance, Saimo TechnologyLtd's receding revenue in recent times would have to be some food for thought. It might be that many expect the company to still outplay most other companies over the coming period, which has kept the P/S from collapsing. 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?

Saimo TechnologyLtd'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.

Taking a look back first, the company's revenue growth last year wasn't something to get excited about as it posted a disappointing decline of 15%. 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 22% in total. Accordingly, while they would have preferred to keep the run going, shareholders would be roughly satisfied with the medium-term rates of revenue growth.

Comparing that to the industry, which is predicted to deliver 23% 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 Saimo TechnologyLtd is trading at a P/S higher than the industry. 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 Saimo TechnologyLtd's P/S?

The strong share price surge has lead to Saimo TechnologyLtd's P/S soaring as well. Using the price-to-sales ratio alone to determine if you should sell your stock isn't sensible, however it can be a practical guide to the company's future prospects.

Our examination of Saimo TechnologyLtd 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. Right now we aren't comfortable with the high P/S as this revenue performance isn't likely to support such positive sentiment for long. Unless there is a significant improvement in the company's medium-term performance, it will be difficult to prevent the P/S ratio from declining to a more reasonable level.

The company's balance sheet is another key area for risk analysis. Take a look at our free balance sheet analysis for Saimo TechnologyLtd with six simple checks on some of these key factors.

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.