Backed by Berkshire Hathaway’s Charlie Munger, outside fund manager Li Lu makes no bones about it when he says, “The biggest investment risk isn’t price volatility, it’s whether you will suffer a permanent loss of capital.” So it might be obvious that you need to consider debt when considering how risky a particular stock is, because too much debt can send a company into the abyss. As with many other companies Glencore plc (LON: GLEN) uses debt. But if shareholders are worried…
