ChangZhou KAIDI Electrical Inc. (SHSE:605288) shareholders won't be pleased to see that the share price has had a very rough month, dropping 28% and undoing the prior period's positive performance. Instead of being rewarded, shareholders who have already held through the last twelve months are now sitting on a 15% share price drop.

Although its price has dipped substantially, there still wouldn't be many who think ChangZhou KAIDI Electrical's price-to-earnings (or "P/E") ratio of 26.2x is worth a mention when the median P/E in China is similar at about 28x. Although, it's not wise to simply ignore the P/E without explanation as investors may be disregarding a distinct opportunity or a costly mistake.

The earnings growth achieved at ChangZhou KAIDI Electrical over the last year would be more than acceptable for most companies. It might be that many expect the respectable earnings performance to wane, which has kept the P/E from rising. If that doesn't eventuate, then existing shareholders probably aren't too pessimistic about the future direction of the share price.

How Is ChangZhou KAIDI Electrical's Growth Trending?

In order to justify its P/E ratio, ChangZhou KAIDI Electrical would need to produce growth that's similar to the market.

Taking a look back first, we see that the company grew earnings per share by an impressive 27% last year. Still, incredibly EPS has fallen 55% in total from three years ago, which is quite disappointing. Therefore, it's fair to say the earnings growth recently has been undesirable for the company.

Comparing that to the market, which is predicted to deliver 42% growth in the next 12 months, the company's downward momentum based on recent medium-term earnings results is a sobering picture.

In light of this, it's somewhat alarming that ChangZhou KAIDI Electrical's P/E sits in line with the majority of other companies. It seems most investors are ignoring the recent poor growth rate 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 earnings trends is likely to weigh on the share price eventually.

What We Can Learn From ChangZhou KAIDI Electrical's P/E?

ChangZhou KAIDI Electrical's plummeting stock price has brought its P/E right back to the rest of the market. It's argued the price-to-earnings ratio is an inferior measure of value within certain industries, but it can be a powerful business sentiment indicator.

We've established that ChangZhou KAIDI Electrical currently trades on a higher than expected P/E since its recent earnings have been in decline over the medium-term. Right now we are uncomfortable with the P/E as this earnings performance is unlikely to support a more positive sentiment for long. Unless the recent medium-term conditions improve, it's challenging to accept these prices as being reasonable.

Having said that, be aware ChangZhou KAIDI Electrical is showing 2 warning signs in our investment analysis, and 1 of those doesn't sit too well with us.

Of course, you might find a fantastic investment by looking at a few good candidates. So take a peek at this free list of companies with a strong growth track record, trading on 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.