.Warren Buffett's Berkshire Hathaway is actually today a $1 mountain business The Washington PostThese Asian companies in Buffett's Berkshire Hathaway profile have climbed, along with one soaring 30% CNBCWall Road merely offered Warren Buffett a very early birthday party gift: Berkshire Hathaway is now worth $1 mountain CNNHow Long it Took United State Providers to Reach Out To a $1 Trillion Appraisal Visual CapitalistBerkshire Hathaway tops $1 trillion market cap for first time as Buffett accelerates BofA assets purchases Yahoo Financial.