The Launch Tech Company Limited (HKG:2488) share price has done very well over the last month, posting an excellent gain of 33%. Notwithstanding the latest gain, the annual share price return of 4.1% isn't as impressive.

In spite of the firm bounce in price, Launch Tech's price-to-earnings (or "P/E") ratio of 5.8x 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 10x 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.

For instance, Launch Tech's receding earnings in recent times would have to be some food for thought. One possibility is that the P/E is low because investors think the company won't do enough to avoid underperforming the broader market in the near future. However, if this doesn't eventuate then existing shareholders may be feeling optimistic about the future direction of the share price.

Does Growth Match The Low P/E?

The only time you'd be truly comfortable seeing a P/E as low as Launch Tech's is when the company's growth is on track to lag the market.

Retrospectively, the last year delivered a frustrating 48% decrease to the company's bottom line. This has erased any of its gains during the last three years, with practically no change in EPS being achieved in total. Accordingly, shareholders probably wouldn't have been overly satisfied with the unstable medium-term growth rates.

Comparing that to the market, which is predicted to deliver 20% growth in the next 12 months, the company's momentum is weaker based on recent medium-term annualised earnings results.

With this information, we can see why Launch Tech is trading at a P/E lower than the market. It seems most investors are expecting to see the recent limited growth rates continue into the future and are only willing to pay a reduced amount for the stock.

The Key Takeaway

Despite Launch Tech's shares building up a head of steam, its P/E still lags most other companies. 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 Launch Tech maintains its low P/E on the weakness of its recent three-year growth being lower than the wider market forecast, 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.

Before you take the next step, you should know about the 3 warning signs for Launch Tech (1 is a bit concerning!) that we have uncovered.

Of course, you might also be able to find a better stock than Launch Tech. So you may wish to see this free collection of other companies that have reasonable P/E ratios and have grown earnings strongly.

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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.