Tongding Interconnection Information (SZSE:002491) has had a great run on the share market with its stock up by a significant 7.3% over the last week. Since the market usually pay for a company's long-term fundamentals, we decided to study the company's key performance indicators to see if they could be influencing the market. Particularly, we will be paying attention to Tongding Interconnection Information's ROE today.

Return on equity or ROE is a key measure used to assess how efficiently a company's management is utilizing the company's capital. Simply put, it is used to assess the profitability of a company in relation to its equity capital.

How Do You Calculate Return On Equity?

The formula for ROE is:

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

So, based on the above formula, the ROE for Tongding Interconnection Information is:

9.6% = CN¥237m ÷ CN¥2.5b (Based on the trailing twelve months to December 2023).

The 'return' is the income the business earned over the last year. So, this means that for every CN¥1 of its shareholder's investments, the company generates a profit of CN¥0.10.

Why Is ROE Important For Earnings Growth?

So far, we've learned that ROE is a measure of a company's profitability. 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.

Tongding Interconnection Information's Earnings Growth And 9.6% ROE

When you first look at it, Tongding Interconnection Information's ROE doesn't look that attractive. However, the fact that the its ROE is quite higher to the industry average of 5.9% doesn't go unnoticed by us. Especially when you consider Tongding Interconnection Information's exceptional 22% net income growth over the past five years. Bear in mind, the company does have a moderately low ROE. It is just that the industry ROE is lower. So, there might well be other reasons for the earnings to grow. E.g the company has a low payout ratio or could belong to a high growth industry.

We then compared Tongding Interconnection Information's net income growth with the industry and we're pleased to see that the company's growth figure is higher when compared with the industry which has a growth rate of 13% in the same 5-year period.

The basis for attaching value to a company is, to a great extent, tied to its earnings growth. 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. If you're wondering about Tongding Interconnection Information's's valuation, check out this gauge of its price-to-earnings ratio, as compared to its industry.

Is Tongding Interconnection Information Efficiently Re-investing Its Profits?

Given that Tongding Interconnection Information doesn't pay any regular dividends to its shareholders, we infer that the company has been reinvesting all of its profits to grow its business.

Conclusion

On the whole, we feel that Tongding Interconnection Information's performance has been quite good. Particularly, we like that the company is reinvesting heavily into its business at a moderate rate of return. Unsurprisingly, this has led to an impressive earnings growth.

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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.