How bad has the start to December been for U.S. stock investors? Almost $1 trillion has been wiped from the value of stocks in just four days.

How bad has the start to December been for U.S. stock investors? Almost $1 trillion has been wiped from the value of stocks in just four days.https://t.co/dDXFm2oryJ

— Bloomberg (@business) December 8, 2018