.Warren Buffett's Berkshire Hathaway is now a $1 trillion provider The Washington PostThese Asian firms in Buffett's Berkshire Hathaway profile have actually surged, with one escalating 30% CNBCWall Road merely gave Warren Buffett an early birthday present: Berkshire Hathaway is today worth $1 mountain CNNHow Long it Took USA Firms to Reach Out To a $1 Trillion Valuation Visual CapitalistBerkshire Hathaway covers $1 trillion market limit for very first time as Buffett increases BofA stock sales Yahoo Finance.