.Warren Buffett's Berkshire Hathaway is right now a $1 trillion business The Washington PostThese Asian firms in Buffett's Berkshire Hathaway profile have climbed, with one skyrocketing 30% CNBCWall Street only gave Warren Buffett a very early special day gift: Berkshire Hathaway is today worth $1 mountain CNNHow Long it Took U.S. Providers to Reach a $1 Trillion Appraisal Visual CapitalistBerkshire Hathaway tops $1 trillion market hat for very first time as Buffett increases BofA stock sales Yahoo Finance.