.Warren Buffett's Berkshire Hathaway is today a $1 mountain company The Washington PostThese Asian firms in Buffett's Berkshire Hathaway profile have surged, with one rising 30% CNBCWall Street simply offered Warren Buffett an early special day present: Berkshire Hathaway is now worth $1 mountain CNNHow Long it Took United State Companies to Get To a $1 Mountain Valuation Visual CapitalistBerkshire Hathaway covers $1 mountain market cap for very first time as Buffett increases BofA share purchases Yahoo Financing.