.Warren Buffett's Berkshire Hathaway is actually now a $1 trillion company The Washington PostThese Asian firms in Buffett's Berkshire Hathaway collection have surged, with one rising 30% CNBCWall Road just offered Warren Buffett a very early special day present: Berkshire Hathaway is actually now worth $1 trillion CNNHow Long it Took U.S. Firms to Connect With a $1 Trillion Valuation Visual CapitalistBerkshire Hathaway tops $1 trillion market limit for very first time as Buffett increases BofA equity sales Yahoo Money management.