The external fund manager backed by Berkshire Hathaway's Charlie Munger, Li Lu, makes no bones about it when he says 'The biggest investment risk is not the volatility of prices, but whether you will suffer a permanent loss of capital.' So it might be obvious that you need to consider debt, when you think about how risky any given stock is, because too much debt can sink a company. We can see that Guangdong Investment Limited (HKG:270) does use debt in its business. But the more important question is: how much risk is that debt creating?

What Risk Does Debt Bring?

Debt assists a business until the business has trouble paying it off, either with new capital or with free cash flow. Ultimately, if the company can't fulfill its legal obligations to repay debt, shareholders could walk away with nothing. While that is not too common, we often do see indebted companies permanently diluting shareholders because lenders force them to raise capital at a distressed price. Of course, plenty of companies use debt to fund growth, without any negative consequences. The first thing to do when considering how much debt a business uses is to look at its cash and debt together.

View our latest analysis for Guangdong Investment

What Is Guangdong Investment's Net Debt?

You can click the graphic below for the historical numbers, but it shows that as of June 2023 Guangdong Investment had HK$45.6b of debt, an increase on HK$41.7b, over one year. However, it does have HK$14.6b in cash offsetting this, leading to net debt of about HK$31.0b.

How Strong Is Guangdong Investment's Balance Sheet?

According to the last reported balance sheet, Guangdong Investment had liabilities of HK$43.1b due within 12 months, and liabilities of HK$42.0b due beyond 12 months. Offsetting these obligations, it had cash of HK$14.6b as well as receivables valued at HK$8.43b due within 12 months. So its liabilities total HK$62.1b more than the combination of its cash and short-term receivables.

The deficiency here weighs heavily on the HK$35.0b company itself, as if a child were struggling under the weight of an enormous back-pack full of books, his sports gear, and a trumpet. So we'd watch its balance sheet closely, without a doubt. At the end of the day, Guangdong Investment would probably need a major re-capitalization if its creditors were to demand repayment.

We use two main ratios to inform us about debt levels relative to earnings. The first is net debt divided by earnings before interest, tax, depreciation, and amortization (EBITDA), while the second is how many times its earnings before interest and tax (EBIT) covers its interest expense (or its interest cover, for short). Thus we consider debt relative to earnings both with and without depreciation and amortization expenses.

Guangdong Investment's net debt is 3.8 times its EBITDA, which is a significant but still reasonable amount of leverage. However, its interest coverage of 10.1 is very high, suggesting that the interest expense on the debt is currently quite low. Unfortunately, Guangdong Investment saw its EBIT slide 6.0% in the last twelve months. If earnings continue on that decline then managing that debt will be difficult like delivering hot soup on a unicycle. When analysing debt levels, the balance sheet is the obvious place to start. But it is future earnings, more than anything, that will determine Guangdong Investment's ability to maintain a healthy balance sheet going forward. So if you want to see what the professionals think, you might find this free report on analyst profit forecasts to be interesting.

But our final consideration is also important, because a company cannot pay debt with paper profits; it needs cold hard cash. So we clearly need to look at whether that EBIT is leading to corresponding free cash flow. Over the last three years, Guangdong Investment saw substantial negative free cash flow, in total. While investors are no doubt expecting a reversal of that situation in due course, it clearly does mean its use of debt is more risky.

Our View

On the face of it, Guangdong Investment's conversion of EBIT to free cash flow left us tentative about the stock, and its level of total liabilities was no more enticing than the one empty restaurant on the busiest night of the year. But on the bright side, its interest cover is a good sign, and makes us more optimistic. We should also note that Water Utilities industry companies like Guangdong Investment commonly do use debt without problems. We're quite clear that we consider Guangdong Investment to be really rather risky, as a result of its balance sheet health. For this reason we're pretty cautious about the stock, and we think shareholders should keep a close eye on its liquidity. There's no doubt that we learn most about debt from the balance sheet. However, not all investment risk resides within the balance sheet - far from it. For instance, we've identified 2 warning signs for Guangdong Investment (1 doesn't sit too well with us) you should be aware of.

Of course, if you're the type of investor who prefers buying stocks without the burden of debt, then don't hesitate to discover our exclusive list of net cash growth stocks, today.

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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.