.Warren Buffett's Berkshire Hathaway is now a $1 trillion firm The Washington PostThese Asian companies in Buffett's Berkshire Hathaway collection have surged, with one rising 30% CNBCWall Street merely gave Warren Buffett an early birthday celebration present: Berkshire Hathaway is actually right now worth $1 trillion CNNHow Long it Took U.S. Firms to Get To a $1 Mountain Assessment Visual CapitalistBerkshire Hathaway tops $1 mountain market limit for very first time as Buffett increases BofA share purchases Yahoo Financing.