Dragon Mining Limited (HKG:1712) shares have had a really impressive month, gaining 33% after a shaky period beforehand. Looking back a bit further, it's encouraging to see the stock is up 99% in the last year.

Although its price has surged higher, it's still not a stretch to say that Dragon Mining's price-to-sales (or "P/S") ratio of 0.8x right now seems quite "middle-of-the-road" compared to the Metals and Mining industry in Hong Kong, where the median P/S ratio is around 0.4x. 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.

Check out our latest analysis for Dragon Mining

How Has Dragon Mining Performed Recently?

Dragon Mining has been doing a good job lately as it's been growing revenue at a solid pace. One possibility is that the P/S is moderate because investors think this respectable revenue growth might not be enough to outperform the broader industry in the near future. If you like the company, you'd be hoping this isn't the case so that you could potentially pick up some stock while it's not quite in favour.

Do Revenue Forecasts Match The P/S Ratio?

In order to justify its P/S ratio, Dragon Mining would need to produce growth that's similar to the industry.

Taking a look back first, we see that the company grew revenue by an impressive 26% last year. Still, revenue has fallen 8.2% in total from three years ago, which is quite disappointing. Accordingly, shareholders would have felt downbeat about the medium-term rates of revenue growth.

Comparing that to the industry, which is predicted to deliver 10% 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 Dragon Mining'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. 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 the recent negative growth rates.

What We Can Learn From Dragon Mining's P/S?

Dragon Mining's stock has a lot of momentum behind it lately, which has brought its P/S level with the rest of 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 look at Dragon Mining revealed its shrinking revenues over the medium-term haven't impacted the P/S as much as we anticipated, given the industry is set 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.

Before you settle on your opinion, we've discovered 2 warning signs for Dragon Mining that you should be aware of.

It's important to make sure you look for a great company, not just the first idea you come across. So if growing profitability aligns with your idea of a great company, take a peek at this free list of interesting companies with strong recent earnings growth (and a low P/E).

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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.