Are Power Integrations, Inc.'s (NASDAQ:POWI) Mixed Financials Driving The Negative Sentiment?

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With its stock down 20% over the past three months, it is easy to disregard Power Integrations (NASDAQ:POWI). We, however decided to study the company's financials to determine if they have got anything to do with the price decline. Stock prices are usually driven by a company’s financial performance over the long term, and therefore we decided to pay more attention to the company's financial performance. Specifically, we decided to study Power Integrations' ROE in this article.

Return on equity or ROE is a key measure used to assess how efficiently a company's management is utilizing the company's capital. In other words, it is a profitability ratio which measures the rate of return on the capital provided by the company's shareholders.

View our latest analysis for Power Integrations

How To Calculate Return On Equity?

ROE 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 Power Integrations is:

5.9% = US$43m ÷ US$731m (Based on the trailing twelve months to June 2024).

The 'return' is the profit over the last twelve months. Another way to think of that is that for every $1 worth of equity, the company was able to earn $0.06 in profit.

What Has ROE Got To Do With Earnings Growth?

Thus far, we have learned that ROE measures how efficiently a company is generating its profits. 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. 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.

Power Integrations' Earnings Growth And 5.9% ROE

At first glance, Power Integrations' ROE doesn't look very promising. Next, when compared to the average industry ROE of 12%, the company's ROE leaves us feeling even less enthusiastic. For this reason, Power Integrations' five year net income decline of 10% is not surprising given its lower ROE. We believe that there also might be other aspects that are negatively influencing the company's earnings prospects. Such as - low earnings retention or poor allocation of capital.

So, as a next step, we compared Power Integrations' performance against the industry and were disappointed to discover that while the company has been shrinking its earnings, the industry has been growing its earnings at a rate of 24% over the last few years.