.Warren Buffett's Berkshire Hathaway is now a $1 trillion company The Washington PostThese Asian firms in Buffett's Berkshire Hathaway profile have actually surged, with one soaring 30% CNBCWall Street merely offered Warren Buffett an early birthday celebration gift: Berkshire Hathaway is now worth $1 mountain CNNHow Long it Took USA Business to Connect With a $1 Trillion Assessment Visual CapitalistBerkshire Hathaway tops $1 mountain market hat for first time as Buffett speeds up BofA assets purchases Yahoo Money management.