Broadway Industrial Group Limited (SGX:B69) shares have continued their recent momentum with a 28% gain in the last month alone. The last 30 days bring the annual gain to a very sharp 72%.

Since its price has surged higher, Broadway Industrial Group's price-to-earnings (or "P/E") ratio of 19.9x might make it look like a strong sell right now compared to the market in Singapore, where around half of the companies have P/E ratios below 11x and even P/E's below 7x 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.

For example, consider that Broadway Industrial Group's financial performance has been poor lately as its earnings have been in decline. It might be that many expect the company to still outplay most other companies over the coming period, which has kept the P/E from collapsing. If not, then existing shareholders may be quite nervous about the viability of the share price.

Is There Enough Growth For Broadway Industrial Group?

In order to justify its P/E ratio, Broadway Industrial Group would need to produce outstanding growth well in excess of the market.

Retrospectively, the last year delivered a frustrating 54% decrease to the company's bottom line. As a result, earnings from three years ago have also fallen 73% overall. Accordingly, shareholders would have felt downbeat about the medium-term rates of earnings growth.

In contrast to the company, the rest of the market is expected to grow by 11% over the next year, which really puts the company's recent medium-term earnings decline into perspective.

With this information, we find it concerning that Broadway Industrial Group is trading at a P/E higher than the market. It seems most investors are ignoring the recent poor growth rate and are hoping for a turnaround in the company's business prospects. 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 Bottom Line On Broadway Industrial Group's P/E

Broadway Industrial Group's P/E is flying high just like its stock has during the last month. It's argued the price-to-earnings ratio is an inferior measure of value within certain industries, but it can be a powerful business sentiment indicator.

We've established that Broadway Industrial Group currently trades on a much higher than expected P/E since its recent earnings have been in decline over the medium-term. When we see earnings heading backwards and underperforming the market forecasts, we suspect the share price is at risk of declining, sending the high P/E lower. Unless the recent medium-term conditions improve markedly, it's very challenging to accept these prices as being reasonable.

Plus, you should also learn about these 4 warning signs we've spotted with Broadway Industrial Group.

If P/E ratios interest you, you may wish to see this free collection of other companies with strong earnings growth and low P/E ratios.

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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.