I wonder what would happen to the market if suddenly the population was quartered or halved? We have omincron now, I’m just waiting for a variant do mutate and

I wonder what would happen to the market if suddenly the population was quartered or halved? We have omincron now, I’m just waiting for a variant do mutate and become something ugly like Ebola. I’m also thinking of places like Japan where thousands of houses are abandoned. Surely there are things that could crush the market aren’t there?