Most readers would already be aware that Nanjing Port's (SZSE:002040) stock increased significantly by 14% over the past three months. Given that stock prices are usually aligned with a company's financial performance in the long-term, we decided to study its financial indicators more closely to see if they had a hand to play in the recent price move. In this article, we decided to focus on Nanjing Port's ROE.

ROE or return on equity is a useful tool to assess how effectively a company can generate returns on the investment it received from its shareholders. In short, ROE shows the profit each dollar generates with respect to its shareholder investments.

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How To Calculate Return On Equity?

Return on equity can be calculated by using the formula:

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

So, based on the above formula, the ROE for Nanjing Port is:

5.0% = CN¥199m ÷ CN¥4.0b (Based on the trailing twelve months to March 2025).

The 'return' is the yearly profit. One way to conceptualize this is that for each CN¥1 of shareholders' capital it has, the company made CN¥0.05 in profit.

What Is The Relationship Between ROE And Earnings Growth?

We have already established that ROE serves as an efficient profit-generating gauge for a company's future earnings. Based on how much of its profits the company chooses to reinvest or "retain", we are then able to evaluate a company's future ability to generate profits. Generally speaking, other things being equal, firms with a high return on equity and profit retention, have a higher growth rate than firms that don't share these attributes.

Nanjing Port's Earnings Growth And 5.0% ROE

When you first look at it, Nanjing Port's ROE doesn't look that attractive. Yet, a closer study shows that the company's ROE is similar to the industry average of 6.1%. Having said that, Nanjing Port has shown a modest net income growth of 5.3% over the past five years. Considering the moderately low ROE, it is quite possible that there might be some other aspects that are positively influencing the company's earnings growth. For example, it is possible that the company's management has made some good strategic decisions, or that the company has a low payout ratio.

We then compared Nanjing Port's net income growth with the industry and found that the company's growth figure is lower than the average industry growth rate of 8.7% in the same 5-year period, which is a bit concerning.

Earnings growth is an important metric to consider when valuing a stock. The investor should try to establish if the expected growth or decline in earnings, whichever the case may be, is priced in. Doing so will help them establish if the stock's future looks promising or ominous. Is Nanjing Port fairly valued compared to other companies? These 3 valuation measures might help you decide.

Is Nanjing Port Making Efficient Use Of Its Profits?

Nanjing Port has a three-year median payout ratio of 26%, which implies that it retains the remaining 74% of its profits. This suggests that its dividend is well covered, and given the decent growth seen by the company, it looks like management is reinvesting its earnings efficiently.

Besides, Nanjing Port has been paying dividends for at least ten years or more. This shows that the company is committed to sharing profits with its shareholders.

Summary

In total, it does look like Nanjing Port has some positive aspects to its business. Specifically, its fairly high earnings growth number, which no doubt was backed by the company's high earnings retention. Still, the low ROE means that all that reinvestment is not reaping a lot of benefit to the investors.

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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.