.Warren Buffett's Berkshire Hathaway is actually now a $1 trillion company The Washington PostThese Asian agencies in Buffett's Berkshire Hathaway profile have risen, along with one soaring 30% CNBCWall Road only provided Warren Buffett a very early birthday present: Berkshire Hathaway is today worth $1 mountain CNNHow Long it Took USA Business to Reach a $1 Trillion Evaluation Visual CapitalistBerkshire Hathaway tops $1 mountain market limit for very first time as Buffett speeds up BofA stock sales Yahoo Finance.