Saimo Technology Co.,Ltd. (SZSE:300466) shareholders won't be pleased to see that the share price has had a very rough month, dropping 25% and undoing the prior period's positive performance. Longer-term shareholders will rue the drop in the share price, since it's now virtually flat for the year after a promising few quarters.

Although its price has dipped substantially, when almost half of the companies in China's Machinery industry have price-to-sales ratios (or "P/S") below 3x, you may still consider Saimo TechnologyLtd as a stock not worth researching with its 5.4x 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.

How Saimo TechnologyLtd Has Been Performing

For example, consider that Saimo TechnologyLtd's financial performance has been poor lately as its revenue has been in decline. Perhaps the market believes the company can do enough to outperform the rest of the industry in the near future, which is keeping the P/S ratio high. If not, then existing shareholders may be quite nervous about the viability of the share price.

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.

Retrospectively, the last year delivered a frustrating 6.3% decrease to the company's top line. Regardless, revenue has managed to lift by a handy 15% in aggregate from three years ago, thanks to the earlier period of growth. So we can start by confirming that the company has generally done a good job of growing revenue over that time, even though it had some hiccups along the way.

Comparing the recent medium-term revenue trends against the industry's one-year growth forecast of 22% shows it's noticeably less attractive.

With this information, we find it concerning that Saimo TechnologyLtd 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 Key Takeaway

Saimo TechnologyLtd's shares may have suffered, but its P/S remains high. 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.

The fact that Saimo TechnologyLtd 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 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 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.

Before you settle on your opinion, we've discovered 1 warning sign for Saimo TechnologyLtd that 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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