A weak dollar is good for manufacturing and a strong dollar is bad for it. China tightly controls to the Yuan to purposely keep it's value low to benefit it's manufacturing. The current US administration wants to something similar for the US to boost manufacturing.

I think that's foolish and backwards thinking. The US doesn't really need more manufacturing; it had relatively low unemployment, a healthy economy, etc. The US is a service country. Apple is one of the richest companies in the world and does none of it's manufacturing in the US. Why wouldn't people invest in Apple?