.Warren Buffett's Berkshire Hathaway is right now a $1 mountain firm The Washington PostThese Asian firms in Buffett's Berkshire Hathaway collection have climbed, with one shooting up 30% CNBCWall Street only gave Warren Buffett a very early special day gift: Berkshire Hathaway is actually today worth $1 trillion CNNHow Long it Took USA Providers to Connect With a $1 Trillion Assessment Visual CapitalistBerkshire Hathaway tops $1 mountain market cap for very first time as Buffett increases BofA assets purchases Yahoo Finance.