The Suzhou Wanxiang Technology Co.,Ltd (SZSE:301180) share price has done very well over the last month, posting an excellent gain of 28%. 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.

Following the firm bounce in price, you could be forgiven for thinking Suzhou Wanxiang TechnologyLtd is a stock to steer clear of with a price-to-sales ratios (or "P/S") of 7.9x, considering almost half the companies in China's Electronic industry have P/S ratios below 3.7x. Nonetheless, we'd need to dig a little deeper to determine if there is a rational basis for the highly elevated P/S.

How Suzhou Wanxiang TechnologyLtd Has Been Performing

For example, consider that Suzhou Wanxiang TechnologyLtd's financial performance has been poor lately as its revenue has been in decline. 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. However, if this isn't the case, investors might get caught out paying too much for the stock.

Is There Enough Revenue Growth Forecasted For Suzhou Wanxiang TechnologyLtd?

In order to justify its P/S ratio, Suzhou Wanxiang TechnologyLtd would need to produce outstanding growth that's well in excess of the industry.

In reviewing the last year of financials, we were disheartened to see the company's revenues fell to the tune of 17%. The last three years don't look nice either as the company has shrunk revenue by 31% in aggregate. Accordingly, shareholders would have felt downbeat about the medium-term rates of revenue growth.

In contrast to the company, the rest of the industry is expected to grow by 26% over the next year, which really puts the company's recent medium-term revenue decline into perspective.

In light of this, it's alarming that Suzhou Wanxiang TechnologyLtd's P/S sits above the majority of other companies. 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 very good chance existing shareholders are setting themselves up for future disappointment if the P/S falls to levels more in line with the recent negative growth rates.

The Key Takeaway

Suzhou Wanxiang TechnologyLtd's P/S has grown nicely over the last month thanks to a handy boost in the share price. 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.

We've established that Suzhou Wanxiang TechnologyLtd currently trades on a much higher than expected P/S since its recent revenues have been in decline over the medium-term. Right now we aren't comfortable with the high P/S as this revenue performance is highly unlikely to support such positive sentiment for long. Should recent medium-term revenue trends persist, it would pose a significant risk to existing shareholders' investments and prospective investors will have a hard time accepting the current value of the stock.

You should always think about risks. Case in point, we've spotted 4 warning signs for Suzhou Wanxiang TechnologyLtd you should be aware of, and 2 of them are a bit concerning.

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.