standard & poor's

The Dow fell 1.2 percent after the opening bell, while the S&P 500 dipped 1.9 percent and Nasdaq plunged 2.8 percent...and the markets are now falling even more.

Hello, possible higher interest rates on mortgages, credit cars and more: Standard & Poor's made good on its threat to downgrade the U.S.'s credit rating and lowered it from the AAA rating to a AA+.