.Warren Buffett's Berkshire Hathaway is right now a $1 mountain firm The Washington PostThese Asian companies in Buffett's Berkshire Hathaway collection have climbed, with one shooting up 30% CNBCWall Street simply provided Warren Buffett an early birthday gift: Berkshire Hathaway is right now worth $1 trillion CNNHow Long it Took United State Providers to Get To a $1 Mountain Appraisal Visual CapitalistBerkshire Hathaway covers $1 trillion market limit for first time as Buffett accelerates BofA assets sales Yahoo Finance.