StealthGas Inc. (NASDAQ:GASS) shareholders are no doubt pleased to see that the share price has bounced 26% in the last month, although it is still struggling to make up recently lost ground. The last 30 days bring the annual gain to a very sharp 42%.

Although its price has surged higher, StealthGas may still be sending very bullish signals at the moment with its price-to-earnings (or "P/E") ratio of 3.9x, since almost half of all companies in the United States have P/E ratios greater than 19x and even P/E's higher than 34x are not unusual. Nonetheless, we'd need to dig a little deeper to determine if there is a rational basis for the highly reduced P/E.

Recent times have been pleasing for StealthGas as its earnings have risen in spite of the market's earnings going into reverse. One possibility is that the P/E is low because investors think the company's earnings are going to fall away like everyone else's soon. If not, then existing shareholders have reason to be quite optimistic about the future direction of the share price.

If you'd like to see what analysts are forecasting going forward, you should check out our free report on StealthGas.

Does Growth Match The Low P/E?

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

If we review the last year of earnings growth, the company posted a terrific increase of 73%. The strong recent performance means it was also able to grow EPS by 2,796% in total over the last three years. So we can start by confirming that the company has done a great job of growing earnings over that time.

Turning to the outlook, the next year should bring diminished returns, with earnings decreasing 11% as estimated by the only analyst watching the company. Meanwhile, the broader market is forecast to expand by 15%, which paints a poor picture.

In light of this, it's understandable that StealthGas' P/E would sit below the majority of other companies. Nonetheless, there's no guarantee the P/E has reached a floor yet with earnings going in reverse. There's potential for the P/E to fall to even lower levels if the company doesn't improve its profitability.

The Key Takeaway

Even after such a strong price move, StealthGas' P/E still trails the rest of the market significantly. 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.

We've established that StealthGas maintains its low P/E on the weakness of its forecast for sliding earnings, as expected. Right now shareholders are accepting the low P/E as they concede future earnings probably won't provide any pleasant surprises. Unless these conditions improve, they will continue to form a barrier for the share price around these levels.

And what about other risks? Every company has them, and we've spotted 1 warning sign for StealthGas 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.