.Warren Buffett's Berkshire Hathaway is today a $1 trillion company The Washington PostThese Asian companies in Buffett's Berkshire Hathaway collection have risen, with one rising 30% CNBCWall Road only provided Warren Buffett a very early birthday gift: Berkshire Hathaway is today worth $1 mountain CNNHow Long it Took United State Providers to Connect With a $1 Mountain Appraisal Visual CapitalistBerkshire Hathaway covers $1 trillion market limit for very first time as Buffett speeds up BofA stock purchases Yahoo Finance.