Ive been hearing about crashes coming for so many years. 2015 was supposed to be the big one, remember?? I believe it will have to happen eventually for many reasons. One of my first reactions now when I hear things like this is to think .what is he selling? So often people try to scare you into buying the products they sell. Ive fallen for it before. Fear sells.
Look what goes up..., comes down. And up and down. Sell offs and pull backs are healthy, nothing should go in any straight line.
That said, money always has to be parked somewhere. Right now the US is the safest place. Low cost of money keeps fueling this market. Decent earnings now and the idea that if Trump gets policy the market will be an even better place to be. Until proven otherwise you can not afford NOT to be in this market.