.Warren Buffett's Berkshire Hathaway is actually now a $1 mountain business The Washington PostThese Asian organizations in Buffett's Berkshire Hathaway collection have climbed, with one rising 30% CNBCWall Street simply offered Warren Buffett a very early birthday celebration present: Berkshire Hathaway is actually now worth $1 mountain CNNHow Long it Took USA Providers to Reach a $1 Trillion Evaluation Visual CapitalistBerkshire Hathaway covers $1 trillion market hat for first time as Buffett accelerates BofA share sales Yahoo Financing.