The Redco Healthy Living Company Limited (HKG:2370) share price has fared very poorly over the last month, falling by a substantial 72%. To make matters worse, the recent drop has wiped out a year's worth of gains with the share price now back where it started a year ago.

In spite of the heavy fall in price, Redco Healthy Living may still be sending very bearish signals at the moment with a price-to-earnings (or "P/E") ratio of 16.8x, since almost half of all companies in Hong Kong have P/E ratios under 8x and even P/E's lower than 5x are not unusual. However, the P/E might be quite high for a reason and it requires further investigation to determine if it's justified.

For example, consider that Redco Healthy Living's financial performance has been poor lately as it's earnings have been in decline. 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. You'd really hope so, otherwise you're paying a pretty hefty price for no particular reason.

Check out our latest analysis for Redco Healthy Living

Is There Enough Growth For Redco Healthy Living?

Redco Healthy Living'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 19%. However, a few very strong years before that means that it was still able to grow EPS by an impressive 128% in total over the last three years. So we can start by confirming that the company has generally done a very good job of growing earnings over that time, even though it had some hiccups along the way.

Weighing that recent medium-term earnings trajectory against the broader market's one-year forecast for expansion of 15% shows it's noticeably more attractive on an annualised basis.

In light of this, it's understandable that Redco Healthy Living's P/E sits above the majority of other companies. Presumably shareholders aren't keen to offload something they believe will continue to outmanoeuvre the bourse.

The Key Takeaway

A significant share price dive has done very little to deflate Redco Healthy Living's very lofty P/E. Typically, we'd caution against reading too much into price-to-earnings ratios when settling on investment decisions, though it can reveal plenty about what other market participants think about the company.

As we suspected, our examination of Redco Healthy Living revealed its three-year earnings trends are contributing to its high P/E, given they look better than current market expectations. At this stage investors feel the potential for a deterioration in earnings isn't great enough to justify a lower P/E ratio. Unless the recent medium-term conditions change, they will continue to provide strong support to the share price.

Before you take the next step, you should know about the 3 warning signs for Redco Healthy Living (1 is significant!) that we have uncovered.

If P/E ratios interest you, you may wish to see this free collection of other companies that have grown earnings strongly and trade on P/E's below 20x.

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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.