.Warren Buffett's Berkshire Hathaway is actually now a $1 mountain firm The Washington PostThese Asian firms in Buffett's Berkshire Hathaway profile have actually surged, with one rising 30% CNBCWall Street just provided Warren Buffett an early special day present: Berkshire Hathaway is actually right now worth $1 trillion CNNHow Long it Took USA Companies to Reach a $1 Mountain Valuation Visual CapitalistBerkshire Hathaway tops $1 trillion market cap for first time as Buffett accelerates BofA share sales Yahoo Money management.