The CGN Nuclear Technology Development Co., Ltd. (SZSE:000881) share price has fared very poorly over the last month, falling by a substantial 30%. Instead of being rewarded, shareholders who have already held through the last twelve months are now sitting on a 38% share price drop.

Since its price has dipped substantially, CGN Nuclear Technology Development may be sending buy signals at present with its price-to-sales (or "P/S") ratio of 0.9x, considering almost half of all companies in the Chemicals industry in China have P/S ratios greater than 1.8x and even P/S higher than 4x aren't out of the ordinary. Nonetheless, we'd need to dig a little deeper to determine if there is a rational basis for the reduced P/S.

What Does CGN Nuclear Technology Development's Recent Performance Look Like?

For example, consider that CGN Nuclear Technology Development's financial performance has been poor lately as its revenue has been in decline. One possibility is that the P/S is low because investors think the company won't do enough to avoid underperforming 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 out of favour.

Do Revenue Forecasts Match The Low P/S Ratio?

The only time you'd be truly comfortable seeing a P/S as low as CGN Nuclear Technology Development's is when the company's growth is on track to lag the industry.

Retrospectively, the last year delivered a frustrating 44% decrease to the company's top line. This means it has also seen a slide in revenue over the longer-term as revenue is down 30% in total over the last three years. So unfortunately, we have to acknowledge that the company has not done a great job of growing revenue over that time.

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 in mind, we understand why CGN Nuclear Technology Development's P/S is lower than most of its industry peers. Nonetheless, there's no guarantee the P/S has reached a floor yet with revenue going in reverse. Even just maintaining these prices could be difficult to achieve as recent revenue trends are already weighing down the shares.

What We Can Learn From CGN Nuclear Technology Development's P/S?

The southerly movements of CGN Nuclear Technology Development's shares means its P/S is now sitting at a pretty low level. It's argued the price-to-sales ratio is an inferior measure of value within certain industries, but it can be a powerful business sentiment indicator.

Our examination of CGN Nuclear Technology Development confirms that the company's shrinking revenue over the past medium-term is a key factor in its low price-to-sales ratio, given the industry is projected to grow. Right now shareholders are accepting the low P/S as they concede future revenue probably won't provide any pleasant surprises either. If recent medium-term revenue trends continue, it's hard to see the share price moving strongly in either direction in the near future under these circumstances.

There are also other vital risk factors to consider before investing and we've discovered 2 warning signs for CGN Nuclear Technology Development that you should be aware of.

If strong companies turning a profit tickle your fancy, then you'll want to check out this free list of interesting companies that trade on a low P/E (but have proven they can grow earnings).

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