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Should You Be Impressed By Aerojet Rocketdyne Holdings, Inc.'s (NYSE:AJRD) ROE?

One of the best investments we can make is in our own knowledge and skill set. With that in mind, this article will work through how we can use Return On Equity (ROE) to better understand a business. By way of learning-by-doing, we'll look at ROE to gain a better understanding of Aerojet Rocketdyne Holdings, Inc. (NYSE:AJRD).

Aerojet Rocketdyne Holdings has a ROE of 25%, based on the last twelve months. One way to conceptualize this, is that for each \$1 of shareholders' equity it has, the company made \$0.25 in profit.

See our latest analysis for Aerojet Rocketdyne Holdings

How Do I Calculate ROE?

The formula for ROE is:

Return on Equity = Net Profit (from continuing operations) Ã· Shareholders' Equity

Or for Aerojet Rocketdyne Holdings:

25% = US\$139m Ã· US\$567m (Based on the trailing twelve months to September 2019.)

It's easy to understand the 'net profit' part of that equation, but 'shareholders' equity' requires further explanation. It is all the money paid into the company from shareholders, plus any earnings retained. Shareholders' equity can be calculated by subtracting the total liabilities of the company from the total assets of the company.

What Does ROE Signify?

Return on Equity measures a company's profitability against the profit it has kept for the business (plus any capital injections). The 'return' is the yearly profit. A higher profit will lead to a higher ROE. So, all else equal, investors should like a high ROE. That means ROE can be used to compare two businesses.

Does Aerojet Rocketdyne Holdings Have A Good ROE?

One simple way to determine if a company has a good return on equity is to compare it to the average for its industry. However, this method is only useful as a rough check, because companies do differ quite a bit within the same industry classification. As is clear from the image below, Aerojet Rocketdyne Holdings has a better ROE than the average (15%) in the Aerospace & Defense industry.

That is a good sign. In my book, a high ROE almost always warrants a closer look. For example, I often check if insiders have been buying shares.

Why You Should Consider Debt When Looking At ROE

Virtually all companies need money to invest in the business, to grow profits. The cash for investment can come from prior year profits (retained earnings), issuing new shares, or borrowing. In the case of the first and second options, the ROE will reflect this use of cash, for growth. In the latter case, the debt required for growth will boost returns, but will not impact the shareholders' equity. Thus the use of debt can improve ROE, albeit along with extra risk in the case of stormy weather, metaphorically speaking.

Combining Aerojet Rocketdyne Holdings's Debt And Its 25% Return On Equity

Aerojet Rocketdyne Holdings does use a significant amount of debt to increase returns. It has a debt to equity ratio of 1.04. While the ROE is impressive, that metric has clearly benefited from the company's use of debt. Debt does bring extra risk, so it's only really worthwhile when a company generates some decent returns from it.

In Summary

Return on equity is a useful indicator of the ability of a business to generate profits and return them to shareholders. Companies that can achieve high returns on equity without too much debt are generally of good quality. If two companies have the same ROE, then I would generally prefer the one with less debt.

But ROE is just one piece of a bigger puzzle, since high quality businesses often trade on high multiples of earnings. Profit growth rates, versus the expectations reflected in the price of the stock, are a particularly important to consider. So you might want to take a peek at this data-rich interactive graph of forecasts for the company.

But note: Aerojet Rocketdyne Holdings may not be the best stock to buy. So take a peek at this free list of interesting companies with high ROE and low debt.

If you spot an error that warrants correction, please contact the editor at editorial-team@simplywallst.com. This article by Simply Wall St is general in nature. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. Simply Wall St has no position in the stocks mentioned.

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