Most readers would already be aware that Rambus' (NASDAQ:RMBS) stock increased significantly by 20% over the past three months. 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. In this article, we decided to focus on Rambus' ROE.

Return on Equity or ROE is a test of how effectively a company is growing its value and managing investors’ money. In short, ROE shows the profit each dollar generates with respect to its shareholder investments.

View our latest analysis for Rambus

How Is ROE Calculated?

The formula for ROE is:

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

So, based on the above formula, the ROE for Rambus is:

16% = US$180m ÷ US$1.1b (Based on the trailing twelve months to December 2024).

The 'return' is the amount earned after tax over the last twelve months. That means that for every $1 worth of shareholders' equity, the company generated $0.16 in profit.

What Has ROE Got To Do With Earnings Growth?

We have already established that ROE serves as an efficient profit-generating gauge for a company's future earnings. We now need to evaluate how much profit the company reinvests or "retains" for future growth which then gives us an idea about the growth potential of the company. Assuming everything else remains unchanged, the higher the ROE and profit retention, the higher the growth rate of a company compared to companies that don't necessarily bear these characteristics.

Rambus' Earnings Growth And 16% ROE

At first glance, Rambus seems to have a decent ROE. Especially when compared to the industry average of 11% the company's ROE looks pretty impressive. Probably as a result of this, Rambus was able to see an impressive net income growth of 70% over the last five years. However, there could also be other causes behind this growth. Such as - high earnings retention or an efficient management in place.

We then compared Rambus' 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 16% in the same 5-year period.

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. What is RMBS worth today? The intrinsic value infographic in our free research report helps visualize whether RMBS is currently mispriced by the market.

Is Rambus Using Its Retained Earnings Effectively?

Rambus doesn't pay any regular dividends currently which essentially means that it has been reinvesting all of its profits into the business. This definitely contributes to the high earnings growth number that we discussed above.

Conclusion

On the whole, we feel that Rambus' performance has been quite good. Specifically, we like that the company is reinvesting a huge chunk of its profits at a high rate of return. This of course has caused the company to see substantial growth in its earnings. That being so, a study of the latest analyst forecasts show that the company is expected to see a slowdown in its future earnings growth. To know more about the company's future earnings growth forecasts take a look at this free report on analyst forecasts for the company to find out more.

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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.