.Warren Buffett's Berkshire Hathaway is today a $1 trillion firm The Washington PostThese Asian agencies in Buffett's Berkshire Hathaway profile have actually climbed, with one rising 30% CNBCWall Street simply offered Warren Buffett a very early special day present: Berkshire Hathaway is now worth $1 mountain CNNHow Long it Took U.S. Business to Connect With a $1 Trillion Evaluation Visual CapitalistBerkshire Hathaway tops $1 mountain market hat for first time as Buffett speeds up BofA share sales Yahoo Finance.