LIAONING ENERGY INDUSTRY Co.,LTD (SHSE:600758) shareholders that were waiting for something to happen have been dealt a blow with a 28% share price drop in the last month. The drop over the last 30 days has capped off a tough year for shareholders, with the share price down 34% in that time.

In spite of the heavy fall in price, it's still not a stretch to say that LIAONING ENERGY INDUSTRYLTD's price-to-sales (or "P/S") ratio of 0.6x right now seems quite "middle-of-the-road" compared to the Metals and Mining industry in China, where the median P/S ratio is around 1.1x. While this might not raise any eyebrows, if the P/S ratio is not justified investors could be missing out on a potential opportunity or ignoring looming disappointment.

How LIAONING ENERGY INDUSTRYLTD Has Been Performing

For example, consider that LIAONING ENERGY INDUSTRYLTD's financial performance has been poor lately as its revenue has been in decline. One possibility is that the P/S is moderate because investors think the company might still do enough to be in line with the broader industry in the near future. If not, then existing shareholders may be a little nervous about the viability of the share price.

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 LIAONING ENERGY INDUSTRYLTD's to be considered reasonable.

Retrospectively, the last year delivered a frustrating 4.2% decrease to the company's top line. As a result, revenue from three years ago have also fallen 2.9% overall. Accordingly, shareholders would have felt downbeat about the medium-term rates of revenue growth.

Comparing that to the industry, which is predicted to deliver 15% growth in the next 12 months, the company's downward momentum based on recent medium-term revenue results is a sobering picture.

In light of this, it's somewhat alarming that LIAONING ENERGY INDUSTRYLTD's P/S sits in line with the majority of other companies. Apparently many investors in the company are way less bearish than recent times would indicate and aren't willing to let go of their stock right now. Only the boldest would assume these prices are sustainable as a continuation of recent revenue trends is likely to weigh on the share price eventually.

What Does LIAONING ENERGY INDUSTRYLTD's P/S Mean For Investors?

LIAONING ENERGY INDUSTRYLTD's plummeting stock price has brought its P/S back to a similar region as the rest of the industry. Generally, our preference is to limit the use of the price-to-sales ratio to establishing what the market thinks about the overall health of a company.

We find it unexpected that LIAONING ENERGY INDUSTRYLTD trades at a P/S ratio that is comparable to the rest of the industry, despite experiencing declining revenues during the medium-term, while the industry as a whole is expected to grow. Even though it matches the industry, we're uncomfortable with the current P/S ratio, as this dismal revenue performance is unlikely to support a more positive sentiment for long. If recent medium-term revenue trends continue, it will place shareholders' investments at risk and potential investors in danger of paying an unnecessary premium.

Having said that, be aware LIAONING ENERGY INDUSTRYLTD is showing 2 warning signs in our investment analysis, 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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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.