Unfortunately for some shareholders, the Gain Plus Holdings Limited (HKG:9900) share price has dived 28% in the last thirty days, prolonging recent pain. Looking back over the past twelve months the stock has been a solid performer regardless, with a gain of 11%.

Even after such a large drop in price, Gain Plus Holdings' price-to-earnings (or "P/E") ratio of 5.5x might still make it look like a buy right now compared to the market in Hong Kong, where around half of the companies have P/E ratios above 9x and even P/E's above 18x are quite common. Although, it's not wise to just take the P/E at face value as there may be an explanation why it's limited.

Recent times have been quite advantageous for Gain Plus Holdings as its earnings have been rising very briskly. It might be that many expect the strong earnings performance to degrade substantially, which has repressed the P/E. If you like the company, you'd be hoping this isn't the case so that you could potentially pick up some stock while it's out of favour.

Does Growth Match The Low P/E?

In order to justify its P/E ratio, Gain Plus Holdings would need to produce sluggish growth that's trailing the market.

If we review the last year of earnings growth, the company posted a terrific increase of 186%. Pleasingly, EPS has also lifted 40% in aggregate from three years ago, thanks to the last 12 months of growth. Accordingly, shareholders would have probably welcomed those medium-term rates of earnings growth.

This is in contrast to the rest of the market, which is expected to grow by 23% over the next year, materially higher than the company's recent medium-term annualised growth rates.

In light of this, it's understandable that Gain Plus Holdings' P/E sits below the majority of other companies. Apparently many shareholders weren't comfortable holding on to something they believe will continue to trail the bourse.

What We Can Learn From Gain Plus Holdings' P/E?

Gain Plus Holdings' P/E has taken a tumble along with its share price. 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.

As we suspected, our examination of Gain Plus Holdings revealed its three-year earnings trends are contributing to its low P/E, given they look worse than current market expectations. At this stage investors feel the potential for an improvement in earnings isn't great enough to justify a higher P/E ratio. If recent medium-term earnings trends continue, it's hard to see the share price rising strongly in the near future under these circumstances.

Plus, you should also learn about this 1 warning sign we've spotted with Gain Plus Holdings.

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.