Fannie, Freddie soar; banks shrug off downgrade By: MarketWatch November 15, 2013 at 11:22 AM EST Fannie and Freddie take off again after Bill Ackman’s hedge fund gets in the game. American Express gets a boost from lower default rates. Read More >> Related Stocks: American Express Bank of New York Mellon Goldman Sachs Group Herbalife Ltd J C Penney Company Inc JPMorgan Chase & Co Moody's Corp Morgan Stanley