Unfortunately for some shareholders, the Atkore Inc. (NYSE:ATKR) share price has dived 26% in the last thirty days, prolonging recent pain. Instead of being rewarded, shareholders who have already held through the last twelve months are now sitting on a 36% share price drop.

After such a large drop in price, Atkore's price-to-earnings (or "P/E") ratio of 6.5x might make it look like a strong buy right now compared to the market in the United States, where around half of the companies have P/E ratios above 18x and even P/E's above 32x are quite common. Nonetheless, we'd need to dig a little deeper to determine if there is a rational basis for the highly reduced P/E.

With earnings that are retreating more than the market's of late, Atkore has been very sluggish. The P/E is probably low because investors think this poor earnings performance isn't going to improve at all. You'd much rather the company wasn't bleeding earnings if you still believe in the business. If not, then existing shareholders will probably struggle to get excited about the future direction of the share price.

How Is Atkore's Growth Trending?

Atkore's P/E ratio would be typical for a company that's expected to deliver very poor growth or even falling earnings, and importantly, perform much worse than the market.

If we review the last year of earnings, dishearteningly the company's profits fell to the tune of 25%. However, a few very strong years before that means that it was still able to grow EPS by an impressive 62% in total over the last three years. Although it's been a bumpy ride, it's still fair to say the earnings growth recently has been more than adequate for the company.

Turning to the outlook, the next year should bring diminished returns, with earnings decreasing 23% as estimated by the six analysts watching the company. Meanwhile, the broader market is forecast to expand by 15%, which paints a poor picture.

With this information, we are not surprised that Atkore is trading at a P/E lower than the market. Nonetheless, there's no guarantee the P/E has reached a floor yet with earnings going in reverse. Even just maintaining these prices could be difficult to achieve as the weak outlook is weighing down the shares.

The Bottom Line On Atkore's P/E

Atkore's P/E looks about as weak as its stock price lately. 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.

As we suspected, our examination of Atkore's analyst forecasts revealed that its outlook for shrinking earnings is contributing to its low P/E. Right now shareholders are accepting the low P/E as they concede future earnings probably won't provide any pleasant surprises. It's hard to see the share price rising strongly in the near future under these circumstances.

You need to take note of risks, for example - Atkore has 2 warning signs (and 1 which doesn't sit too well with us) we think 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.