The Manitowoc Company, Inc. (NYSE:MTW) just released a solid earnings report, and the stock displayed some strength. While the profit numbers were good, our analysis has found some concerning factors that shareholders should be aware of.

The Impact Of Unusual Items On Profit

Importantly, our data indicates that Manitowoc Company's profit was reduced by US$14m, due to unusual items, over the last year. It's never great to see unusual items costing the company profits, but on the upside, things might improve sooner rather than later. We looked at thousands of listed companies and found that unusual items are very often one-off in nature. And that's hardly a surprise given these line items are considered unusual. If Manitowoc Company doesn't see those unusual expenses repeat, then all else being equal we'd expect its profit to increase over the coming year.

That might leave you wondering what analysts are forecasting in terms of future profitability. Luckily, you can click here to see an interactive graph depicting future profitability, based on their estimates.

An Unusual Tax Situation

Just as we noted the unusual items, we must inform you that Manitowoc Company received a tax benefit which contributed US$44m to the bottom line. This is meaningful because companies usually pay tax rather than receive tax benefits. We're sure the company was pleased with its tax benefit. However, our data indicates that tax benefits can temporarily boost statutory profit in the year it is booked, but subsequently profit may fall back. In the likely event the tax benefit is not repeated, we'd expect to see its statutory profit levels drop, at least in the absence of strong growth. So while we think it's great to receive a tax benefit, it does tend to imply an increased risk that the statutory profit overstates the sustainable earnings power of the business.

Our Take On Manitowoc Company's Profit Performance

In the last year Manitowoc Company received a tax benefit, which boosted its profit in a way that might not be much more sustainable than turning prime farmland into gas fields. Having said that, it also had a unusual item reducing its profit. Based on these factors, we think it's very unlikely that Manitowoc Company's statutory profits make it seem much weaker than it is. Keep in mind, when it comes to analysing a stock it's worth noting the risks involved. To that end, you should learn about the 3 warning signs we've spotted with Manitowoc Company (including 2 which are a bit concerning).

In this article we've looked at a number of factors that can impair the utility of profit numbers, as a guide to a business. But there is always more to discover if you are capable of focussing your mind on minutiae. Some people consider a high return on equity to be a good sign of a quality business. While it might take a little research on your behalf, you may find this free collection of companies boasting high return on equity, or this list of stocks with significant insider holdings to be useful.

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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.