He didn't have much choice.
I think the whole thing will widen the divide between left and right. It was already fairly vicious throughout the campaign.
As for the markets, lest we forget:
Bird flu
Boomers all retiring at once
GFC
Ebola
Swine flu.
Greece
Spain
Russia
Etc
It's all happened before and each event is always "the end as we know it"
Great time to trade volatility.
Y2K and tech crash, how did I forget them.
Also: Asian financial crisis.