ROE (%) among largest #financials #bank #insurance $XLF 1.  BERKSHIRE HATHAWAY I. $BRK.B: 2.7 2.  JPMORGAN CHASE and CO. $JPM: 12.2 3.  BANK OF AMERICA CORP. $BAC: 9.4 4.  WELLS FARGO and COMPAN. $WFC: 7.7 5.  CITIGROUP INC. $C: 9.2 United States United States United States United States United States