Wall St edges up after three-day run; tech lifts Dow

By Ryan Vlastelica NEW YORK (Reuters) - U.S. stocks edged higher on Monday, with investors holding off on making big bets after the S&P 500's best week in nearly two months, while the Dow was lifted by gains in large-cap tech shares. Major indexes remained near record levels, but trading was expected to be quiet this week given the upcoming Christmas holiday. The stock market will be closed on Thursday and close early on Wednesday. ...