.Warren Buffett's Berkshire Hathaway is actually right now a $1 trillion company The Washington PostThese Asian firms in Buffett's Berkshire Hathaway portfolio have climbed, with one soaring 30% CNBCWall Street just gave Warren Buffett a very early birthday party gift: Berkshire Hathaway is actually today worth $1 trillion CNNHow Long it Took U.S. Companies to Get To a $1 Mountain Assessment Visual CapitalistBerkshire Hathaway tops $1 trillion market limit for first time as Buffett speeds up BofA assets purchases Yahoo Financing.