Berkshire Hathaway Revamps Portfolio with Major Stakes in Delta Air Lines and Alphabet Singapore Economy May Navigate Tariff and Geopolitical Risks Amid Global Trade Expansion Chinas Humanoid Robot Workforce Prep Musk Flags Competition AC Immune Q1 2026 Earnings Narrowed Loss Beats Estimates as Pipeline Progress Continues Marc Jacobs Brand Separates from LVMH Designer Remains Creative Director NMTC Q1 2026 Earnings WiderThanExpected Loss and No Reported Revenue Weigh on Shares