.Warren Buffett's Berkshire Hathaway is today a $1 mountain provider The Washington PostThese Asian agencies in Buffett's Berkshire Hathaway portfolio have risen, along with one skyrocketing 30% CNBCWall Street merely gave Warren Buffett an early birthday party gift: Berkshire Hathaway is today worth $1 trillion CNNHow Long it Took U.S. Business to Connect With a $1 Trillion Evaluation Visual CapitalistBerkshire Hathaway covers $1 trillion market hat for first time as Buffett accelerates BofA stock sales Yahoo Financing.