Guangzhou Jointas Chemical Co., Ltd. (SZSE:002909) shareholders that were waiting for something to happen have been dealt a blow with a 26% 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 41% in that time.

In spite of the heavy fall in price, you could still be forgiven for feeling indifferent about Guangzhou Jointas Chemical's P/S ratio of 1.7x, since the median price-to-sales (or "P/S") ratio for the Chemicals industry in China is also close to 2x. Although, it's not wise to simply ignore the P/S without explanation as investors may be disregarding a distinct opportunity or a costly mistake.

How Has Guangzhou Jointas Chemical Performed Recently?

As an illustration, revenue has deteriorated at Guangzhou Jointas Chemical 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.

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

The only time you'd be comfortable seeing a P/S like Guangzhou Jointas Chemical's is when the company's growth is tracking the industry closely.

Retrospectively, the last year delivered a frustrating 14% decrease to the company's top line. This has soured the latest three-year period, which nevertheless managed to deliver a decent 19% overall rise in revenue. So we can start by confirming that the company has generally done a good job of growing revenue over that time, even though it had some hiccups along the way.

Comparing that to the industry, which is predicted to deliver 27% growth in the next 12 months, the company's momentum is weaker, based on recent medium-term annualised revenue results.

With this in mind, we find it intriguing that Guangzhou Jointas Chemical's P/S is comparable to that of its industry peers. 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.

The Key Takeaway

With its share price dropping off a cliff, the P/S for Guangzhou Jointas Chemical looks to be in line with the rest of the Chemicals industry. Using the price-to-sales ratio alone to determine if you should sell your stock isn't sensible, however it can be a practical guide to the company's future prospects.

Our examination of Guangzhou Jointas Chemical 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. When we see weak revenue with slower than industry growth, we suspect the share price is at risk of declining, bringing the P/S back in line with expectations. If recent medium-term revenue trends continue, the probability of a share price decline will become quite substantial, placing shareholders at risk.

Having said that, be aware Guangzhou Jointas Chemical is showing 5 warning signs in our investment analysis, and 3 of those are significant.

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.