US equity futures tumble as the latest remarks from Fed officials stoke fears of a hawkish pivot by the central bank. President Trump is preparing substantial tariff cuts to address high food prices, unveiling framework deals with Latin and South American countries. UK markets slide amid fresh uncertainty over the nation's fiscal outlook. Max Kettner of HSBC says the markets' concerns of an AI bubble is overblown. (Corrects headline videos to Neel Kashkari, investors and cargoes from Kevin