U.S. stocks Opened sharply Lower

U.S. stocks opened sharply lower on Friday on reports of coming downgrades of euro-zone nations by rating agency Standard & Poor's.

"With the likelihood of an S&P credit downgrade of France, Spain, Italy, Belgium and Portugal,

it's important to understand that number one, they are just following what the markets have priced in and number two, Fitch and Moody's in some circumstances have already moved ahead of S&P