.Warren Buffett's Berkshire Hathaway is actually now a $1 trillion business The Washington PostThese Asian companies in Buffett's Berkshire Hathaway profile have actually surged, along with one shooting up 30% CNBCWall Street only offered Warren Buffett a very early birthday celebration gift: Berkshire Hathaway is actually right now worth $1 mountain CNNHow Long it Took U.S. Business to Connect With a $1 Mountain Appraisal Visual CapitalistBerkshire Hathaway covers $1 trillion market hat for first time as Buffett increases BofA stock sales Yahoo Financing.