Wall Street comes off four straight days of losses, butthere is some positive momentum in evidence - the Dow wiped out a triple-digitloss on word of some movement in the "fiscal cliff" saga. President Obamais planning to meet with top Congressional leaders this afternoon at the WhiteHouse, and the House has been called back into session on Sunday. Nonetheless, the major averages are still on pace for their biggest weeklydrops in six weeks.