Vtron Group Co.,Ltd. (SZSE:002308) shareholders won't be pleased to see that the share price has had a very rough month, dropping 26% and undoing the prior period's positive performance. Longer-term shareholders would now have taken a real hit with the stock declining 9.9% in the last year.

In spite of the heavy fall in price, Vtron GroupLtd may still be sending strong sell signals at present with a price-to-sales (or "P/S") ratio of 7.8x, when you consider almost half of the companies in the Electronic industry in China have P/S ratios under 4.3x and even P/S lower than 2x aren't out of the ordinary. Nonetheless, we'd need to dig a little deeper to determine if there is a rational basis for the highly elevated P/S.

See our latest analysis for Vtron GroupLtd

What Does Vtron GroupLtd's Recent Performance Look Like?

As an illustration, revenue has deteriorated at Vtron GroupLtd over the last year, which is not ideal at all. 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. However, if this isn't the case, investors might get caught out paying too much for the stock.

What Are Revenue Growth Metrics Telling Us About The High P/S?

Vtron GroupLtd'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 29%. This means it has also seen a slide in revenue over the longer-term as revenue is down 40% in total over the last three years. Therefore, it's fair to say the revenue growth recently has been undesirable for the company.

In contrast to the company, the rest of the industry is expected to grow by 62% over the next year, which really puts the company's recent medium-term revenue decline into perspective.

With this information, we find it concerning that Vtron GroupLtd is trading at a P/S higher than the industry. It seems most investors are ignoring the recent poor growth rate and are hoping for a turnaround in the company's business prospects. Only the boldest would assume these prices are sustainable as a continuation of recent revenue trends is likely to weigh heavily on the share price eventually.

The Key Takeaway

A significant share price dive has done very little to deflate Vtron GroupLtd's very lofty 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 Vtron GroupLtd revealed its shrinking revenue over the medium-term isn't resulting in a P/S as low as we expected, given the industry is set to grow. 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. Unless the recent medium-term conditions improve markedly, investors will have a hard time accepting the share price as fair value.

And what about other risks? Every company has them, and we've spotted 1 warning sign for Vtron GroupLtd you should know about.

If you're unsure about the strength of Vtron GroupLtd's business, why not explore our interactive list of stocks with solid business fundamentals for some other companies you may have missed.

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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.