.Warren Buffett's Berkshire Hathaway is now a $1 trillion provider The Washington PostThese Asian companies in Buffett's Berkshire Hathaway portfolio have surged, with one skyrocketing 30% CNBCWall Road simply offered Warren Buffett an early birthday celebration gift: Berkshire Hathaway is actually now worth $1 trillion CNNHow Long it Took United State Business to Reach Out To a $1 Trillion Appraisal Visual CapitalistBerkshire Hathaway covers $1 trillion market limit for very first time as Buffett increases BofA assets sales Yahoo Money.