.Warren Buffett's Berkshire Hathaway is today a $1 mountain firm The Washington PostThese Asian organizations in Buffett's Berkshire Hathaway profile have actually surged, with one rising 30% CNBCWall Road simply provided Warren Buffett a very early birthday gift: Berkshire Hathaway is today worth $1 mountain CNNHow Long it Took USA Firms to Reach Out To a $1 Trillion Valuation Visual CapitalistBerkshire Hathaway covers $1 mountain market cap for first time as Buffett accelerates BofA equity sales Yahoo Money.