Stock Market Today: Dow Jones Falls After U.S. Downgrade; Walmart Skids After Bessent Says This On Tariffs (Live Coverage)

The Dow Jones Industrial Average and other indexes fell Monday after the U.S. suffered yet another downgrade to its debt. Among Dow stocks, Walmart (WMT) slipped after Treasury Secretary Scott Bessent spoke about the retail giant's approach to tariffs. And UnitedHealth (UNH) fought back while Apple (AAPL) lagged on the stock market today. The Dow fell fractionally, but was off…