.Warren Buffett's Berkshire Hathaway is today a $1 mountain business The Washington PostThese Asian agencies in Buffett's Berkshire Hathaway collection have risen, along with one soaring 30% CNBCWall Road merely provided Warren Buffett a very early birthday present: Berkshire Hathaway is actually right now worth $1 mountain CNNHow Long it Took U.S. Business to Reach Out To a $1 Mountain Valuation Visual CapitalistBerkshire Hathaway covers $1 mountain market cap for very first time as Buffett increases BofA stock purchases Yahoo Money management.