For GameStop day traders, the moment they've dreamed about

Day traders, mobilized on a Reddit chatroom, have poured about all the money they can find into the stocks of a struggling video game retailer called GameStop and a few other beaten-down companies. Their buying has swollen those companies' share prices beyond anyone's imagination -- and, not coincidentally, inflicted huge losses on the hedge funds of the super-rich, who had placed bets that the stocks would drop.