Corporate debt is at its highest level relative to U.S. GDP since the financial crisis , and while not now a concern, that mountain of corporate IOUs could quickly turn into a heap of worry under the right circumstances.
Fueled by low interest rates and strong investor appetite, debt of nonfinancial companies has increased at a rapid clip, to $8.7 trillion, and is equal to more than 45 percent of GDP, according to David Ader, chief macro strategist at Informa Financial Intelligence.
