Kewaunee Scientific Corporation (NASDAQ:KEQU) shares have retraced a considerable 25% in the last month, reversing a fair amount of their solid recent performance. Of course, over the longer-term many would still wish they owned shares as the stock's price has soared 100% in the last twelve months.

Since its price has dipped substantially, Kewaunee Scientific's price-to-earnings (or "P/E") ratio of 5.6x 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 19x and even P/E's above 34x are quite common. However, the P/E might be quite low for a reason and it requires further investigation to determine if it's justified.

Recent times have been quite advantageous for Kewaunee Scientific as its earnings have been rising very briskly. It might be that many expect the strong earnings performance to degrade substantially, which has repressed the P/E. If that doesn't eventuate, then existing shareholders have reason to be quite optimistic about the future direction of the share price.

Does Growth Match The Low P/E?

Kewaunee Scientific'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.

Taking a look back first, we see that the company grew earnings per share by an impressive 360% last year. However, the latest three year period hasn't been as great in aggregate as it didn't manage to provide any growth at all. Therefore, it's fair to say that earnings growth has been inconsistent recently for the company.

Weighing that recent medium-term earnings trajectory against the broader market's one-year forecast for expansion of 15% shows it's noticeably less attractive on an annualised basis.

With this information, we can see why Kewaunee Scientific 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

Shares in Kewaunee Scientific have plummeted and its P/E is now low enough to touch the ground. 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.

As we suspected, our examination of Kewaunee Scientific revealed its three-year earnings trends are contributing to its low P/E, given they look worse than current market expectations. Right now shareholders are accepting the low P/E as they concede future earnings probably won't provide any pleasant surprises. Unless the recent medium-term conditions improve, they will continue to form a barrier for the share price around these levels.

There are also other vital risk factors to consider before investing and we've discovered 1 warning sign for Kewaunee Scientific that you should be aware of.

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.