By the way, to be precise, the stock market is not responding to any actual risk inherent to the corona virus, but only to risk believed in the minds of whoever is making decisions in the Chinese shipping industry. Or whoever makes influential decisions anywhere affecting the economy.
You clearly do not understand how any of this works.
Go back to Sunday School.
China has shut down entire port cities.
Indefinitely.
Do you think doing that conveys ‘actual risk’ to the market and supply chain?
Yes or no.