Nantong Acetic Acid Chemical Co., Ltd. (SHSE:603968) shareholders that were waiting for something to happen have been dealt a blow with a 30% share price drop in the last month. For any long-term shareholders, the last month ends a year to forget by locking in a 54% share price decline.

After such a large drop in price, Nantong Acetic Acid Chemical's price-to-earnings (or "P/E") ratio of 14.8x might make it look like a buy right now compared to the market in China, where around half of the companies have P/E ratios above 28x and even P/E's above 50x are quite common. However, the P/E might be low for a reason and it requires further investigation to determine if it's justified.

For example, consider that Nantong Acetic Acid Chemical's financial performance has been poor lately as its earnings have been in decline. It might be that many expect the disappointing earnings performance to continue or accelerate, which has repressed the P/E. However, if this doesn't eventuate then existing shareholders may be feeling optimistic about the future direction of the share price.

Is There Any Growth For Nantong Acetic Acid Chemical?

In order to justify its P/E ratio, Nantong Acetic Acid Chemical would need to produce sluggish growth that's trailing the market.

Retrospectively, the last year delivered a frustrating 65% decrease to the company's bottom line. This means it has also seen a slide in earnings over the longer-term as EPS is down 46% in total over the last three years. Accordingly, shareholders would have felt downbeat about the medium-term rates of earnings growth.

In contrast to the company, the rest of the market is expected to grow by 41% over the next year, which really puts the company's recent medium-term earnings decline into perspective.

With this information, we are not surprised that Nantong Acetic Acid Chemical is trading at a P/E lower than the market. Nonetheless, there's no guarantee the P/E has reached a floor yet with earnings going in reverse. Even just maintaining these prices could be difficult to achieve as recent earnings trends are already weighing down the shares.

The Final Word

The softening of Nantong Acetic Acid Chemical's shares means its P/E is now sitting at a pretty low level. We'd say the price-to-earnings ratio's power isn't primarily as a valuation instrument but rather to gauge current investor sentiment and future expectations.

We've established that Nantong Acetic Acid Chemical maintains its low P/E on the weakness of its sliding earnings over the medium-term, as expected. At this stage investors feel the potential for an improvement in earnings isn't great enough to justify a higher P/E ratio. Unless the recent medium-term conditions improve, they will continue to form a barrier for the share price around these levels.

And what about other risks? Every company has them, and we've spotted 3 warning signs for Nantong Acetic Acid Chemical (of which 1 shouldn't be ignored!) you should know about.

It's important to make sure you look for a great company, not just the first idea you come across. So 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.