.Warren Buffett's Berkshire Hathaway is actually today a $1 trillion provider The Washington PostThese Asian companies in Buffett's Berkshire Hathaway profile have surged, with one escalating 30% CNBCWall Street simply provided Warren Buffett a very early birthday present: Berkshire Hathaway is today worth $1 trillion CNNHow Long it Took USA Firms to Get To a $1 Trillion Evaluation Visual CapitalistBerkshire Hathaway covers $1 trillion market hat for very first time as Buffett increases BofA share sales Yahoo Financial.