1. Trump isolates the country from world trade and top US...

1. Trump isolates the country from world trade and top US companies  lose market share around the world.
2. The cost of goods rise  and inflation evaporates  disposable  income. This reduces discretionary  spending and induces a  depression.
3. If there is a move towards  goods made in America, the quality  and price will be higher. This  will result in a reduction in  GDP long term as goods become less disposable.
4. World developing countries will  form trade agreements that permanently lock out the US.
Technology companies will leave the US for fear of losing market share.
5. Companies will multi brand  to avoid international isolation. This will result in the  US losing GDP.
6. Good bye Walmart. no more cheap Chinese  goods.

Or

The republicans join forces with the democrats on vital issues and render trump ineffective.

Or

Trump just makes lose populist statements to people who don't understand the repercussions.
He has no real plan or intention of doing anything.

Real consequences.

What do you think  if would cost  Apple if it was  locked out of China.
China has passes the US as  apple consumers. article below. Where do you think the US  retirement funds are invested?

2015 China surpasses the US consumption of Apple
https://www.cnet.com/news/china-passes-us-to-become-apples-biggest-iphone-market/

2016 last month Apple loss $100 billion in market value (anticipation maybe)
http://www.marketwatch.com/story/apple-shares-dip-below-100-for-first-time-in-15-months-2016-01-07

How will Apple  fund  the production of apple phones and who will be able to afford them?

Join the dots.