Yuhuan CNC Machine Tool Co.,Ltd. (SZSE:002903) shares have retraced a considerable 27% in the last month, reversing a fair amount of their solid recent performance. The drop over the last 30 days has capped off a tough year for shareholders, with the share price down 12% in that time.

In spite of the heavy fall in price, Yuhuan CNC Machine ToolLtd's price-to-earnings (or "P/E") ratio of 71.9x might still make it look like a strong sell right now compared to the market in China, where around half of the companies have P/E ratios below 29x and even P/E's below 18x are quite common. Nonetheless, we'd need to dig a little deeper to determine if there is a rational basis for the highly elevated P/E.

As an illustration, earnings have deteriorated at Yuhuan CNC Machine ToolLtd over the last year, which is not ideal at all. One possibility is that the P/E is high because investors think the company will still do enough to outperform the broader market in the near future. If not, then existing shareholders may be quite nervous about the viability of the share price.

See our latest analysis for Yuhuan CNC Machine ToolLtd

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

Yuhuan CNC Machine ToolLtd's P/E ratio would be typical for a company that's expected to deliver very strong growth, and importantly, perform much better than the market.

Taking a look back first, the company's earnings per share growth last year wasn't something to get excited about as it posted a disappointing decline of 46%. The last three years don't look nice either as the company has shrunk EPS by 20% in aggregate. Accordingly, shareholders would have felt downbeat about the medium-term rates of earnings growth.

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.

With this information, we find it concerning that Yuhuan CNC Machine ToolLtd is trading at a P/E higher than the market. Apparently many investors in the company are way more bullish than recent times would indicate and aren't willing to let go of their stock at any price. Only the boldest would assume these prices are sustainable as a continuation of recent earnings trends is likely to weigh heavily on the share price eventually.

The Final Word

Even after such a strong price drop, Yuhuan CNC Machine ToolLtd's P/E still exceeds the rest of the market significantly. 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.

Our examination of Yuhuan CNC Machine ToolLtd revealed its shrinking earnings over the medium-term aren't impacting its high P/E anywhere near as much as we would have predicted, given the market is set to grow. Right now we are increasingly uncomfortable with the high P/E as this earnings performance is highly unlikely to support such positive sentiment for long. Unless the recent medium-term conditions improve markedly, it's very challenging to accept these prices as being reasonable.

Before you settle on your opinion, we've discovered 5 warning signs for Yuhuan CNC Machine ToolLtd (2 are a bit unpleasant!) that you should be aware of.

If these risks are making you reconsider your opinion on Yuhuan CNC Machine ToolLtd, explore our interactive list of high quality stocks to get an idea of what else is out there.

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