Epoxy Base Electronic Material Corporation Limited (SHSE:603002) shareholders won't be pleased to see that the share price has had a very rough month, dropping 28% and undoing the prior period's positive performance. The drop over the last 30 days has capped off a tough year for shareholders, with the share price down 17% in that time.

Although its price has dipped substantially, you could still be forgiven for feeling indifferent about Epoxy Base Electronic Material's P/S ratio of 2.2x, since the median price-to-sales (or "P/S") ratio for the Chemicals industry in China is also close to 1.9x. However, investors might be overlooking a clear opportunity or potential setback if there is no rational basis for the P/S.

How Has Epoxy Base Electronic Material Performed Recently?

As an illustration, revenue has deteriorated at Epoxy Base Electronic Material over the last year, which is not ideal at all. Perhaps investors believe the recent revenue performance is enough to keep in line with the industry, which is keeping the P/S from dropping off. If you like the company, you'd at least be hoping this is the case so that you could potentially pick up some stock while it's not quite in favour.

Is There Some Revenue Growth Forecasted For Epoxy Base Electronic Material?

In order to justify its P/S ratio, Epoxy Base Electronic Material would need to produce growth that's similar to 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 34%. This means it has also seen a slide in revenue over the longer-term as revenue is down 17% in total over the last three years. Accordingly, shareholders would have felt downbeat about the medium-term rates of revenue growth.

Weighing that medium-term revenue trajectory against the broader industry's one-year forecast for expansion of 26% shows it's an unpleasant look.

With this information, we find it concerning that Epoxy Base Electronic Material is trading at a fairly similar P/S compared to the industry. 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.

The Bottom Line On Epoxy Base Electronic Material's P/S

Epoxy Base Electronic Material'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 Epoxy Base Electronic Material 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.

And what about other risks? Every company has them, and we've spotted 4 warning signs for Epoxy Base Electronic Material (of which 2 are a bit concerning!) you should know about.

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.