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# What You Must Know About NN Inc’s (NASDAQ:NNBR) Return on Equity

The content of this article will benefit those of you who are starting to educate yourself about investing in the stock market and want to start learning about core concepts of fundamental analysis on practical examples from today’s market.

NN Inc (NASDAQ:NNBR) generated a below-average return on equity of 4.4% in the past 12 months, while its industry returned 12.6%. NNBR’s results could indicate a relatively inefficient operation to its peers, and while this may be the case, it is important to understand what ROE is made up of and how it should be interpreted. Knowing these components could change your view on NNBR’s performance. Metrics such as financial leverage can impact the level of ROE which in turn can affect the sustainability of NNBR’s returns. Let me show you what I mean by this.

### Peeling the layers of ROE – trisecting a company’s profitability

Firstly, Return on Equity, or ROE, is simply the percentage of last years’ earning against the book value of shareholders’ equity. For example, if the company invests \$1 in the form of equity, it will generate \$0.044 in earnings from this. In most cases, a higher ROE is preferred; however, there are many other factors we must consider prior to making any investment decisions.

Return on Equity = Net Profit ÷ Shareholders Equity

Returns are usually compared to costs to measure the efficiency of capital. NN’s cost of equity is 17.1%. Given a discrepancy of -12.7% between return and cost, this indicated that NN may be paying more for its capital than what it’s generating in return. ROE can be broken down into three different ratios: net profit margin, asset turnover, and financial leverage. This is called the Dupont Formula:

#### Dupont Formula

ROE = profit margin × asset turnover × financial leverage

ROE = (annual net profit ÷ sales) × (sales ÷ assets) × (assets ÷ shareholders’ equity)

ROE = annual net profit ÷ shareholders’ equity

Basically, profit margin measures how much of revenue trickles down into earnings which illustrates how efficient the business is with its cost management. The other component, asset turnover, illustrates how much revenue NN can make from its asset base. The most interesting ratio, and reflective of sustainability of its ROE, is financial leverage. Since ROE can be artificially increased through excessive borrowing, we should check NN’s historic debt-to-equity ratio. Currently the debt-to-equity ratio stands at a high 241%, which means its below-average ROE is already being driven by significant debt levels.

### Next Steps:

ROE is one of many ratios which meaningfully dissects financial statements, which illustrates the quality of a company. NN exhibits a weak ROE against its peers, as well as insufficient levels to cover its own cost of equity this year. Its concerning leverage level means its ROE is already supported by high debt, raising questions over whether ROE will further decline in the future. Although ROE can be a useful metric, it is only a small part of diligent research.

For NN, I’ve compiled three pertinent factors you should look at:

1. Financial Health: Does it have a healthy balance sheet? Take a look at our free balance sheet analysis with six simple checks on key factors like leverage and risk.
2. Valuation: What is NN worth today? Is the stock undervalued, even when its growth outlook is factored into its intrinsic value? The intrinsic value infographic in our free research report helps visualize whether NN is currently mispriced by the market.
3. Other High-Growth Alternatives : Are there other high-growth stocks you could be holding instead of NN? Explore our interactive list of stocks with large growth potential to get an idea of what else is out there you may be missing!

To help readers see past the short term volatility of the financial market, we aim to bring you a long-term focused research analysis purely driven by fundamental data. Note that our analysis does not factor in the latest price-sensitive company announcements.

The author is an independent contributor and at the time of publication had no position in the stocks mentioned. For errors that warrant correction please contact the editor at editorial-team@simplywallst.com.