It's not a stretch to say that Chongqing Shunbo Aluminum Co.,Ltd.'s (SZSE:002996) price-to-earnings (or "P/E") ratio of 27.7x right now seems quite "middle-of-the-road" compared to the market in China, where the median P/E ratio is around 28x. While this might not raise any eyebrows, if the P/E ratio is not justified investors could be missing out on a potential opportunity or ignoring looming disappointment.

Chongqing Shunbo AluminumLtd certainly has been doing a great job lately as it's been growing earnings at a really rapid pace. It might be that many expect the strong earnings performance to wane, which has kept the P/E from rising. If that doesn't eventuate, then existing shareholders have reason to be feeling optimistic about the future direction of the share price.

Is There Some Growth For Chongqing Shunbo AluminumLtd?

In order to justify its P/E ratio, Chongqing Shunbo AluminumLtd would need to produce growth that's similar to the market.

If we review the last year of earnings growth, the company posted a terrific increase of 102%. However, this wasn't enough as the latest three year period has seen a very unpleasant 61% drop in EPS in aggregate. So unfortunately, we have to acknowledge that the company has not done a great job of growing earnings over that time.

Comparing that to the market, which is predicted to deliver 36% growth in the next 12 months, the company's downward momentum based on recent medium-term earnings results is a sobering picture.

With this information, we find it concerning that Chongqing Shunbo AluminumLtd is trading at a fairly similar P/E to the market. It seems most investors are ignoring the recent poor growth rate and are hoping for a turnaround in the company's business prospects. There's a good chance existing shareholders are setting themselves up for future disappointment if the P/E falls to levels more in line with the recent negative growth rates.

The Key Takeaway

While the price-to-earnings ratio shouldn't be the defining factor in whether you buy a stock or not, it's quite a capable barometer of earnings expectations.

We've established that Chongqing Shunbo AluminumLtd currently trades on a higher than expected P/E since its recent earnings have been in decline over the medium-term. When we see earnings heading backwards and underperforming the market forecasts, we suspect the share price is at risk of declining, sending the moderate P/E lower. If recent medium-term earnings trends continue, it will place shareholders' investments at risk and potential investors in danger of paying an unnecessary premium.

There are also other vital risk factors to consider and we've discovered 4 warning signs for Chongqing Shunbo AluminumLtd (2 are concerning!) that you should be aware of before investing here.

You might be able to find a better investment than Chongqing Shunbo AluminumLtd. If you want a selection of possible candidates, 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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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.