.Warren Buffett's Berkshire Hathaway is now a $1 mountain firm The Washington PostThese Asian firms in Buffett's Berkshire Hathaway collection have actually climbed, along with one skyrocketing 30% CNBCWall Road just gave Warren Buffett a very early birthday party gift: Berkshire Hathaway is actually today worth $1 trillion CNNHow Long it Took USA Business to Reach Out To a $1 Trillion Appraisal Visual CapitalistBerkshire Hathaway covers $1 trillion market limit for very first time as Buffett accelerates BofA equity sales Yahoo Money management.