Despite an already strong run, Elegant Home-Tech Co., Ltd. (SHSE:603221) shares have been powering on, with a gain of 26% in the last thirty days. Looking back a bit further, it's encouraging to see the stock is up 43% in the last year.

Even after such a large jump in price, there still wouldn't be many who think Elegant Home-Tech's price-to-sales (or "P/S") ratio of 2x is worth a mention when the median P/S in China's Building industry is similar at about 1.8x. However, investors might be overlooking a clear opportunity or potential setback if there is no rational basis for the P/S.

What Does Elegant Home-Tech's P/S Mean For Shareholders?

Recent times have been quite advantageous for Elegant Home-Tech as its revenue has been rising very briskly. It might be that many expect the strong revenue performance to wane, which has kept the share price, and thus the P/S ratio, from rising. Those who are bullish on Elegant Home-Tech will be hoping that this isn't the case, so that they can pick up the stock at a lower valuation.

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

There's an inherent assumption that a company should be matching the industry for P/S ratios like Elegant Home-Tech's to be considered reasonable.

If we review the last year of revenue growth, the company posted a terrific increase of 86%. Revenue has also lifted 21% in aggregate from three years ago, mostly thanks to the last 12 months of growth. So we can start by confirming that the company has actually done a good job of growing revenue over that time.

Comparing that to the industry, which is predicted to deliver 18% growth in the next 12 months, the company's momentum is weaker, based on recent medium-term annualised revenue results.

In light of this, it's curious that Elegant Home-Tech's P/S sits in line with the majority of other companies. It seems most investors are ignoring the fairly limited recent growth rates and are willing to pay up for exposure to the stock. Maintaining these prices will be difficult to achieve as a continuation of recent revenue trends is likely to weigh down the shares eventually.

What We Can Learn From Elegant Home-Tech's P/S?

Elegant Home-Tech appears to be back in favour with a solid price jump bringing its P/S back in line with other companies in the industry 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 Elegant Home-Tech revealed its poor three-year revenue trends aren't resulting in a lower P/S as per our expectations, given they look worse than current industry outlook. Right now we are uncomfortable with the P/S as this revenue performance isn't likely to support a more positive sentiment for long. If recent medium-term revenue trends continue, the probability of a share price decline will become quite substantial, placing shareholders at risk.

You need to take note of risks, for example - Elegant Home-Tech has 3 warning signs (and 2 which are a bit unpleasant) we think you should know about.

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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