In every financial market space, there is a hyperactive world and a paradox: that frantic world is also a passive one.

In those places, figures—crawling or jumping from place to place—vibrate the computer screens, and millions of investors, who knows where, who knows who, decide from one second to the next what must be bought and what must be sold, like the hands of millions of unseen guardian angels, like a deus ex machina tran