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While some investors are already well versed in financial metrics (hat tip), this article is for those who would like to learn about Return On Equity (ROE) and why it is important. By way of learning-by-doing, we'll look at ROE to gain a better understanding of Lenovo Group Limited (HKG:992).
Our data shows Lenovo Group has a return on equity of 21% for the last year. Another way to think of that is that for every HK$1 worth of equity in the company, it was able to earn HK$0.21.
View our latest analysis for Lenovo Group
How Do You Calculate Return On Equity?
The formula for return on equity is:
Return on Equity = Net Profit ÷ Shareholders' Equity
Or for Lenovo Group:
21% = US$715m ÷ US$4.0b (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 Mean?
ROE looks at the amount a company earns relative to the money it has kept within the business. The 'return' is the yearly profit. A higher profit will lead to a higher ROE. So, as a general rule, a high ROE is a good thing. Clearly, then, one can use ROE to compare different companies.
Does Lenovo Group Have A Good ROE?
Arguably the easiest way to assess company's ROE is to compare it with the average in its industry. Importantly, this is far from a perfect measure, because companies differ significantly within the same industry classification. As is clear from the image below, Lenovo Group has a better ROE than the average (8.2%) in the Tech industry.
That's clearly a positive. In my book, a high ROE almost always warrants a closer look. For example you might check if insiders are buying shares.
How Does Debt Impact 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 used for growth will improve returns, but won't affect the total equity. In this manner the use of debt will boost ROE, even though the core economics of the business stay the same.
Lenovo Group's Debt And Its 21% ROE
It's worth noting the significant use of debt by Lenovo Group, leading to its debt to equity ratio of 1.19. There's no doubt the ROE is respectable, but it's worth keeping in mind that metric is elevated by the use of debt. Debt increases risk and reduces options for the company in the future, so you generally want to see some good returns from using it.