.Warren Buffett's Berkshire Hathaway is actually now a $1 mountain provider The Washington PostThese Asian firms in Buffett's Berkshire Hathaway collection have actually climbed, along with one shooting up 30% CNBCWall Road simply provided Warren Buffett a very early birthday gift: Berkshire Hathaway is actually right now worth $1 trillion CNNHow Long it Took U.S. Business to Reach Out To a $1 Mountain Evaluation Visual CapitalistBerkshire Hathaway covers $1 mountain market limit for first time as Buffett speeds up BofA stock sales Yahoo Money management.