The soon-to-be-retiring Oracle of Omaha has set his trillion-dollar company up to enter 2026 with nearly 184billioninvestedinfourbrand−namebusinesses.Inlessthantwoweeks,iconicbillionaireWarrenBuffettwillretirefromtheCEOroleatBerkshireHathaway(BRK.A+0.93318 billion investmen ...