.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 simply provided Warren Buffett a very early birthday party present: Berkshire Hathaway is now worth $1 mountain CNNHow Long it Took U.S. Business to Connect With a $1 Mountain Appraisal Visual CapitalistBerkshire Hathaway covers $1 trillion market cap for very first time as Buffett accelerates BofA stock purchases Yahoo Financing.