A hidden risk is lurking under the surface of the economy — and income inequality is to blame

UBS says that while the US economy looks strong, there are still major risks lurking beneath the surface. The firm argues that income inequality is at the root of the problem, pointing out that traditional economic measures don't do enough to account for less wealthy households. Amid all of the US market's recent turbulence, one running narrative has remained largely unchanged: The economy is still in great shape, despite whatever else is going on. UBS disagrees. It argues that...