American markets fell to open the week Monday, reacting to Saturday's news that Moody's Ratings was downgrading U.S. debt.

Global markets, U.S. futures and the dollar all retreated early Monday after Moody’s Ratings downgraded the sovereign credit rating for the United States.

American markets fell to open the week Monday, reacting to Saturday's news that Moody's Ratings was downgrading U.S. debt.