.Warren Buffett's Berkshire Hathaway is actually now a $1 trillion company The Washington PostThese Asian agencies in Buffett's Berkshire Hathaway profile have actually surged, with one soaring 30% CNBCWall Street just offered Warren Buffett an early birthday gift: Berkshire Hathaway is today worth $1 mountain CNNHow Long it Took U.S. Business to Get To a $1 Mountain Appraisal Visual CapitalistBerkshire Hathaway tops $1 trillion market cap for very first time as Buffett speeds up BofA assets sales Yahoo Financing.