Powell Vows No Shadow Chair Role but Return of Former Fed Leader Warsh Could Stir Tensions Bond Market Signals Concerns as Warsh Takes Helm Traders Eye Shift from Easing to Tightening Trumps Reversal on AI Safety Review A Green Light for Big Techs Unchecked Expansion Birkenstock Stock Surges on 250 Million Share Buyback Announcement Japans Role in Fentanyl Smuggling Route Raises Trade and Security Concerns Oil Price Reversal Highlights Persistent Geopolitical Risks in Crude Markets Fintech Firm Mercury Hits 52 Billion Valuation After Funding Round Up 49 in 14 Months