.Warren Buffett's Berkshire Hathaway is right now a $1 mountain business The Washington PostThese Asian companies in Buffett's Berkshire Hathaway collection have risen, with one rising 30% CNBCWall Road simply offered Warren Buffett an early birthday present: Berkshire Hathaway is actually right now worth $1 trillion CNNHow Long it Took USA Business to Reach a $1 Trillion Valuation Visual CapitalistBerkshire Hathaway tops $1 trillion market hat for very first time as Buffett speeds up BofA assets sales Yahoo Financing.