With a price-to-sales (or "P/S") ratio of 10.7x Kangxi Communication Technologies (Shanghai) Co., Ltd. (SHSE:688653) may be sending very bearish signals at the moment, given that almost half of all the Semiconductor companies in China have P/S ratios under 6.8x and even P/S lower than 3x are not unusual. Although, it's not wise to just take the P/S at face value as there may be an explanation why it's so lofty.

How Kangxi Communication Technologies (Shanghai) Has Been Performing

Kangxi Communication Technologies (Shanghai) has been doing a good job lately as it's been growing revenue at a solid pace. Perhaps the market is expecting this decent revenue performance to beat out the industry over the near term, which has kept the P/S propped up. However, if this isn't the case, investors might get caught out paying too much for the stock.

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

There's an inherent assumption that a company should far outperform the industry for P/S ratios like Kangxi Communication Technologies (Shanghai)'s to be considered reasonable.

Taking a look back first, we see that the company grew revenue by an impressive 29% last year. The latest three year period has also seen an excellent 50% overall rise in revenue, aided by its short-term performance. Accordingly, shareholders would have definitely welcomed those medium-term rates of revenue growth.

Comparing the recent medium-term revenue trends against the industry's one-year growth forecast of 38% shows it's noticeably less attractive.

With this in mind, we find it worrying that Kangxi Communication Technologies (Shanghai)'s P/S exceeds that of its industry peers. It seems most investors are ignoring the fairly limited recent growth rates and are hoping for a turnaround in the company's business prospects. Only the boldest would assume these prices are sustainable as a continuation of recent revenue trends is likely to weigh heavily on the share price eventually.

The Key Takeaway

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.

The fact that Kangxi Communication Technologies (Shanghai) currently trades on a higher P/S relative to the industry is an oddity, since its recent three-year growth is lower than the wider industry forecast. When we observe slower-than-industry revenue growth alongside a high P/S ratio, we assume there to be a significant risk of the share price decreasing, which would result in a lower P/S ratio. Unless there is a significant improvement in the company's medium-term performance, it will be difficult to prevent the P/S ratio from declining to a more reasonable level.

It's always necessary to consider the ever-present spectre of investment risk. We've identified 1 warning sign with Kangxi Communication Technologies (Shanghai), and understanding should be part of your investment process.

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.