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.

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.

UnitedHealth has gone from bad to worse, and its drop is impacting the Dow Jones Industrial Average even more than it is the S&P 500.

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.

US stock futures took a hit on Monday while Treasury yields rose, as Wall Street processed Moody's downgrade of the US credit rating alongside developments in President Trump's tariff salvos. Moody’s cut the US government’s long-term credit rating from Aaa to Aa1 late Friday,

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%,