Oura Health Smart Ring Maker Files Confidentially for IPO Nvidias Chip Delivery Strength Overshadowed by Trade War Credit and Power Grid Challenges MGRD Q1 2026 Earnings Affiliated Managers Group Reports EPS Beat of 823 Slightly Above Consensus Berkshire Hathaway Unloads UnitedHealth Stake Under Greg Abels Reshuffling Stock Declines Warren Buffetts Record 397B Cash Hoard and Michael Burrys 1B AI Short Signal Market Caution Elon Musk Warns China Leads Humanoid Robot Competition as Workforce Integration Accelerates