Wall St opens lower on oil, credit concerns

Stocks opened lower on Monday, giving back some of Friday's sharp gains, as the price of oil edged higher and credit concerns nagged.
The Dow Jones industrial average was down 79.06 points, or 0.68 percent, at 11,549.00. The Standard & Poor's 500 Index as down 8.08 points, or 0.63 percent, at 1,284.12. The Nasdaq Composite Index was down 18.68 points, or 0.77 percent, at 2,396.03.