World shares are mixed and Kospi falls 4.6% after tech giants decline on Wall Street

Asian shares are mostly lower as Kospi falls 4% and tech giants decline on Wall Street

Asian shares fell (Kospi -4%, SK Hynix -9.7%); SpaceX IPO revealed heavy AI capex, boosting Nvidia +3.4%. For IT managers: AI infrastructure consolidation via SpaceX-Nvidia exclusivity and Iran strait risks reshape capex allocation and supply strategies.