.Warren Buffett's Berkshire Hathaway is today a $1 trillion firm The Washington PostThese Asian organizations in Buffett's Berkshire Hathaway portfolio have climbed, along with one rising 30% CNBCWall Street simply provided Warren Buffett an early birthday celebration gift: Berkshire Hathaway is today worth $1 trillion CNNHow Long it Took United State Firms to Connect With a $1 Mountain Valuation Visual CapitalistBerkshire Hathaway tops $1 mountain market limit for very first time as Buffett speeds up BofA share sales Yahoo Money.