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# Why Corning Incorporated’s (NYSE:GLW) Use Of Investor Capital Doesn’t Look Great

Today we’ll evaluate Corning Incorporated (NYSE:GLW) to determine whether it could have potential as an investment idea. To be precise, we’ll consider its Return On Capital Employed (ROCE), as that will inform our view of the quality of the business.

First of all, we’ll work out how to calculate ROCE. Second, we’ll look at its ROCE compared to similar companies. Last but not least, we’ll look at what impact its current liabilities have on its ROCE.

### Understanding Return On Capital Employed (ROCE)

ROCE is a metric for evaluating how much pre-tax income (in percentage terms) a company earns on the capital invested in its business. All else being equal, a better business will have a higher ROCE. Ultimately, it is a useful but imperfect metric. Renowned investment researcher Michael Mauboussin has suggested that a high ROCE can indicate that ‘one dollar invested in the company generates value of more than one dollar’.

### How Do You Calculate Return On Capital Employed?

The formula for calculating the return on capital employed is:

Return on Capital Employed = Earnings Before Interest and Tax (EBIT) ÷ (Total Assets – Current Liabilities)

Or for Corning:

0.066 = US\$1.6b ÷ (US\$26b – US\$3.1b) (Based on the trailing twelve months to September 2018.)

So, Corning has an ROCE of 6.6%.

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### Does Corning Have A Good ROCE?

ROCE can be useful when making comparisons, such as between similar companies. We can see Corning’s ROCE is meaningfully below the Electronic industry average of 12%. This could be seen as a negative, as it suggests some competitors may be employing their capital more efficiently. Separate from how Corning stacks up against its industry, its ROCE in absolute terms is mediocre; relative to the returns on government bonds. Investors may wish to consider higher-performing investments.

When considering this metric, keep in mind that it is backwards looking, and not necessarily predictive. ROCE can be misleading for companies in cyclical industries, with returns looking impressive during the boom times, but very weak during the busts. ROCE is, after all, simply a snap shot of a single year. What happens in the future is pretty important for investors, so we have prepared a free report on analyst forecasts for Corning.

### How Corning’s Current Liabilities Impact Its ROCE

Short term (or current) liabilities, are things like supplier invoices, overdrafts, or tax bills that need to be paid within 12 months. Due to the way the ROCE equation works, having large bills due in the near term can make it look as though a company has less capital employed, and thus a higher ROCE than usual. To check the impact of this, we calculate if a company has high current liabilities relative to its total assets.

Corning has total liabilities of US\$3.1b and total assets of US\$26b. Therefore its current liabilities are equivalent to approximately 12% of its total assets. This is a modest level of current liabilities, which would only have a small effect on ROCE.

### Our Take On Corning’s ROCE

With that in mind, we’re not overly impressed with Corning’s ROCE, so it may not be the most appealing prospect. But note: Corning may not be the best stock to buy. So take a peek at this free list of interesting companies with strong recent earnings growth (and a P/E ratio below 20).

For those who like to find winning investments this free list of growing companies with recent insider purchasing, could be just the ticket.

To help readers see past the short term volatility of the financial market, we aim to bring you a long-term focused research analysis purely driven by fundamental data. Note that our analysis does not factor in the latest price-sensitive company announcements.

The author is an independent contributor and at the time of publication had no position in the stocks mentioned. For errors that warrant correction please contact the editor at editorial-team@simplywallst.com.