.Warren Buffett's Berkshire Hathaway is today a $1 mountain firm The Washington PostThese Asian companies in Buffett's Berkshire Hathaway collection have climbed, along with one escalating 30% CNBCWall Street simply provided Warren Buffett an early birthday present: Berkshire Hathaway is actually right now worth $1 mountain CNNHow Long it Took United State Business to Get To a $1 Trillion Evaluation Visual CapitalistBerkshire Hathaway covers $1 trillion market cap for very first time as Buffett increases BofA assets purchases Yahoo Financing.