.Warren Buffett's Berkshire Hathaway is actually now a $1 mountain firm The Washington PostThese Asian companies in Buffett's Berkshire Hathaway collection have actually surged, with one shooting up 30% CNBCWall Road merely offered Warren Buffett a very early special day gift: Berkshire Hathaway is now worth $1 mountain CNNHow Long it Took U.S. Firms to Reach Out To a $1 Trillion Assessment Visual CapitalistBerkshire Hathaway covers $1 trillion market hat for first time as Buffett speeds up BofA equity sales Yahoo Financing.