.Warren Buffett's Berkshire Hathaway is actually now a $1 trillion firm The Washington PostThese Asian companies in Buffett's Berkshire Hathaway profile have risen, with one skyrocketing 30% CNBCWall Street merely provided Warren Buffett an early birthday party gift: Berkshire Hathaway is now worth $1 trillion CNNHow Long it Took United State Firms to Get To a $1 Mountain Assessment Visual CapitalistBerkshire Hathaway covers $1 mountain market limit for very first time as Buffett increases BofA stock purchases Yahoo Financial.