.Warren Buffett's Berkshire Hathaway is actually now a $1 mountain business The Washington PostThese Asian companies in Buffett's Berkshire Hathaway profile have climbed, with one soaring 30% CNBCWall Road only provided Warren Buffett an early birthday celebration gift: Berkshire Hathaway is right now worth $1 trillion CNNHow Long it Took United State Firms to Reach a $1 Trillion Appraisal Visual CapitalistBerkshire Hathaway tops $1 trillion market cap for very first time as Buffett increases BofA stock sales Yahoo Money management.