Investors seeking triple-A rated U.S. corporate debt only have these two choices — for now By: MarketWatch November 13, 2023 at 11:24 AM EST If Moody's downgrades the U.S. rating, it may not bode well for the two remaining triple-A corporate credits. Read More >> Related Stocks: Global X Funds Global X Dow 30 Covered Call ETF Johnson & Johnson Microsoft