.Warren Buffett's Berkshire Hathaway is today a $1 trillion provider The Washington PostThese Asian companies in Buffett's Berkshire Hathaway portfolio have surged, with one soaring 30% CNBCWall Road merely provided Warren Buffett an early birthday present: Berkshire Hathaway is actually today worth $1 trillion CNNHow Long it Took United State Business to Reach Out To a $1 Trillion Evaluation Visual CapitalistBerkshire Hathaway tops $1 trillion market hat for first time as Buffett increases BofA equity purchases Yahoo Money management.