.Warren Buffett's Berkshire Hathaway is now a $1 mountain provider The Washington PostThese Asian firms in Buffett's Berkshire Hathaway collection have surged, with one rising 30% CNBCWall Street just provided Warren Buffett a very early birthday present: Berkshire Hathaway is actually right now worth $1 mountain CNNHow Long it Took U.S. Business to Reach Out To a $1 Trillion Evaluation Visual CapitalistBerkshire Hathaway tops $1 mountain market cap for very first time as Buffett increases BofA equity sales Yahoo Financial.