Singapores STI Edges Up 04 as Keppel Leads Gains Geopolitical Caution Persists Oil Prices Hold Decline as USIran Talks Progress Toward Strait of Hormuz Reopening Motley Fool Highlights Biotech Stock as Potential Healthcare Opportunity AI Economy Reshapes Labor Demand ATT CEO Highlights BlueCollar Worker Shortage Birkenstock BIRK Shares Surge 33 on 250 Million Share Buyback Announcement Refex Industries Q4 PAT Surges to 94 Crore FY26 Profit Reaches 204 Crore Trainline Raises FullYear Guidance for Second Time in 2026