Global Markets: Australia shares log worst week in nearly a month with US-Iran talks stuck in limbo

Australian shares experienced their worst week in nearly a month, with the S&P/ASX 200 index closing down 0.7% on Friday. Escalating U.S.-Iran tensions and conflicting Middle East headlines left investors uneasy, prompting profit-taking and a reassessment of risks from high oil prices and geopolitical instability. Financials and resources sectors saw significant declines.