LONDON, Sept 30 : Stock market investors might have been expected to run for the hills in the face of an extraordinary surge in global borrowing costs, currency interventions, wars, oil back above $100 a barrel and warnings that AI might wipe out humanity. Yet the most widely tracked world equity indexes are

LONDON, Sept 30 : Stock market investors might have been expected to run for the hills in the face of an extraordinary surge in global borrowing costs, currency interventions, wars, oil back above $100 a barrel and warnings that AI might wipe out humanity. Yet the most widely tracked world equity indexes are