With a price-to-earnings (or "P/E") ratio of 22.2x Singapore Technologies Engineering Ltd (SGX:S63) may be sending very bearish signals at the moment, given that almost half of all companies in Singapore have P/E ratios under 11x and even P/E's lower than 7x are not unusual. Although, it's not wise to just take the P/E at face value as there may be an explanation why it's so lofty.

Singapore Technologies Engineering certainly has been doing a good job lately as it's been growing earnings more than most other companies. The P/E is probably high because investors think this strong earnings performance will continue. If not, then existing shareholders might be a little nervous about the viability of the share price.

Keen to find out how analysts think Singapore Technologies Engineering's future stacks up against the industry? In that case, our free report is a great place to start.

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

There's an inherent assumption that a company should far outperform the market for P/E ratios like Singapore Technologies Engineering's to be considered reasonable.

If we review the last year of earnings growth, the company posted a terrific increase of 20%. As a result, it also grew EPS by 15% in total over the last three years. So we can start by confirming that the company has actually done a good job of growing earnings over that time.

Turning to the outlook, the next three years should generate growth of 15% per year as estimated by the analysts watching the company. With the market only predicted to deliver 10% per year, the company is positioned for a stronger earnings result.

With this information, we can see why Singapore Technologies Engineering is trading at such a high P/E compared to the market. It seems most investors are expecting this strong future growth and are willing to pay more for the stock.

What We Can Learn From Singapore Technologies Engineering's 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 Singapore Technologies Engineering's analyst forecasts revealed that its superior earnings outlook is contributing to its high P/E. Right now shareholders are comfortable with the P/E as they are quite confident future earnings aren't under threat. Unless these conditions change, they will continue to provide strong support to the share price.

And what about other risks? Every company has them, and we've spotted 2 warning signs for Singapore Technologies Engineering (of which 1 doesn't sit too well with us!) you should know about.

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.