Wall St slips at open as Italy's political turmoil weighs

The Dow Jones Industrial Average fell 146.50 points, or 0.59 percent, at the open to 24,606.59. The S&P 500 opened lower by 16.22 points, or 0.60 percent, at 2,705.11.

The Nasdaq Composite dropped 35.34 points, or 0.48 percent, to 7,398.51 at the opening bell.