The Dioo Microcircuits Co., Ltd. Jiangsu (SHSE:688381) share price has fared very poorly over the last month, falling by a substantial 31%. For any long-term shareholders, the last month ends a year to forget by locking in a 64% share price decline.

Even after such a large drop in price, Dioo Microcircuits Jiangsu's price-to-sales (or "P/S") ratio of 11x might still make it look like a strong sell right now compared to other companies in the Semiconductor industry in China, where around half of the companies have P/S ratios below 5.7x and even P/S below 2x are quite common. However, the P/S might be quite high for a reason and it requires further investigation to determine if it's justified.

How Dioo Microcircuits Jiangsu Has Been Performing

Dioo Microcircuits Jiangsu hasn't been tracking well recently as its declining revenue compares poorly to other companies, which have seen some growth in their revenues on average. Perhaps the market is expecting the poor revenue to reverse, justifying it's current high P/S.. However, if this isn't the case, investors might get caught out paying too much for the stock.

Keen to find out how analysts think Dioo Microcircuits Jiangsu's future stacks up against the industry? In that case, our free report is a great place to start.

How Is Dioo Microcircuits Jiangsu's Revenue Growth Trending?

In order to justify its P/S ratio, Dioo Microcircuits Jiangsu would need to produce outstanding growth that's well in excess of the industry.

In reviewing the last year of financials, we were disheartened to see the company's revenues fell to the tune of 28%. Still, the latest three year period has seen an excellent 60% overall rise in revenue, in spite of its unsatisfying short-term performance. Although it's been a bumpy ride, it's still fair to say the revenue growth recently has been more than adequate for the company.

Turning to the outlook, the next year should generate growth of 37% as estimated by the two analysts watching the company. Meanwhile, the rest of the industry is forecast to expand by 35%, which is not materially different.

In light of this, it's curious that Dioo Microcircuits Jiangsu's P/S sits above the majority of other companies. Apparently many investors in the company are more bullish than analysts indicate and aren't willing to let go of their stock right now. These shareholders may be setting themselves up for disappointment if the P/S falls to levels more in line with the growth outlook.

The Final Word

Even after such a strong price drop, Dioo Microcircuits Jiangsu's P/S still exceeds the industry median significantly. 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.

Seeing as its revenues are forecast to grow in line with the wider industry, it would appear that Dioo Microcircuits Jiangsu currently trades on a higher than expected P/S. When we see revenue growth that just matches the industry, we don't expect elevates P/S figures to remain inflated for the long-term. This places shareholders' investments at risk and potential investors in danger of paying an unnecessary premium.

Before you take the next step, you should know about the 3 warning signs for Dioo Microcircuits Jiangsu (1 is significant!) that we have uncovered.

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.