So they can then own everything, cheap.
The same thing that happened before, and after the battle of Waterloo, when the British stock market was manipulated.
Except this time, they're using printed money, which costs them nothing, therefore they do not care about the losses.
It's fucking diabolically brilliant.
Ok, why would the U.S. let foreign central banks 'own' the most valuable U.S. companies? Well, it's 'free markets' but still...
You are not right about losses. Despite that the money is created, it still adds to the balance sheet. If stocks fall, central bank experiences losses.