ahhh how do you make rationale investment decisions in the face of such an irrational person...
I think its all business tactics which he thinks gets political outcomes. Clearly proven to do nothing. He does have a good self-promoting , marketing skill-set and i think no matter the outcome, it will be a rosy "I am great, we had a great chat bla bla bla"
An example, NAFTA vs US-Mex-Canada agreements. Nothing in it.
Same will happen here, with the chinese most likely offering what they offered in May and trump saying it was all his doing..