.Warren Buffett's Berkshire Hathaway is actually right now a $1 mountain firm The Washington PostThese Asian companies in Buffett's Berkshire Hathaway portfolio have climbed, with one skyrocketing 30% CNBCWall Street simply offered Warren Buffett a very early birthday present: Berkshire Hathaway is right now worth $1 trillion CNNHow Long it Took United State Companies to Reach a $1 Trillion Appraisal Visual CapitalistBerkshire Hathaway covers $1 trillion market hat for first time as Buffett increases BofA equity purchases Yahoo Money management.