Wall Street has a new slogan for why stocks keep going up as the world falls apart: 'Nothing Matters'

· The mantra on Wall Street these days is "nothing matters."
· It seems no matter how huge the event — a debilitating virus ravaging China, the rise of Bernie Sanders — none of it matters. Stocks just go up, and in credit markets good debt trades close to junk.
· Consider this an extension of the inertia that has gripped...