Wall Street's major indexes trade mixed on Monday after Moody’s Ratings downgraded the United States' last remaining top-tier credit rating, raising fresh concerns about the nation's fiscal outlook and debt management.

UnitedHealth's stock was a big reason for the Dow's gain on Monday, after it acted as the biggest drag for most of last week. The stock's price gain of $23.98 (8.2%) on Monday added about 147 points to the Dow's price.

The Dow was beating the other major indexes on a mixed day for the broader market with some help from UnitedHealth Group. With the Dow up 85 points, or 0.2%, UnitedHealth’s 7.9% gain tacked on 141 points to the Dow on Monday.

The Dow Jones Industrial Average (^DJI) edged up roughly 0.3%. The S&P 500 (^GSPC) closed up nearly 0.1% to extend its 5-day win streak. The tech-heavy Nasdaq Composite (^IXIC) rose just above the flatline. Stocks trimmed losses from earlier in the session ...

Dow Jones futures fell Monday morning, along with S&P 500 futures and Nasdaq futures after Moody's downgraded the U.S. sovereign debt rating on Friday.The stock market rally had a powerful week as the U.

Wall Street's major averages fell sharply on Monday after Moody’s Ratings decision to strip the U.S. of its last remaining top-tier credit score. Early on and the S&P 500 (SP500) was -0.9%, the Nasdaq Composite (COMP:IND) was -1%,

US stocks came back from steep losses on Monday as Wall Street shrugged off Moody's downgrade of the US credit rating and investors digested developments in President Trump's tariff salvos. Moody’s cut the US government’s long-term credit rating from AAA to AA1 late Friday,