Asian and European stock markets experienced significant declines amid concerns of an AI stock bubble and economic uncertainties.
South Korea's KOSPI dropped 3.8% with notable losses in Samsung Electronics and SK Hynix shares, while Japan's Nikkei 225 fell 2.4% despite a $135 billion stimulus aimed at economic recovery. Investors remain cautious as Federal Reserve rate cut expectations grow and markets anticipate key economic data following a shortened trading week.