Market just stumbled badly - more to come?

Today's slide deck: https://bit.ly/2XVA9yE  
Today we look at yesterday's ugly market tumble and the possible drivers, but most importantly whether the move is set to continue. Especially interesting were the steep sell-offs and technical setups after yesterday in major megacap US stocks like Amazon and Microsoft. Next week promises to be a volatile one with a number of important event risks.