US STOCKS-Wall St edges up after three-day run; tech lifts Dow
* Energy shares continue decline as oil falls 3 percent
* Gilead falls as Express Scripts picks AbbVie treatment
* Dow boosted by gains at Intel, IBM
* Indexes up: Dow 0.6 pct, S&P 0.1 pct, Nasdaq 0.2 pct (Updates to afternoon trading)
By Ryan Vlastelica
NEW YORK, Dec 22 (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.
Energy shares continued their recent downward trend as crude oil sank 3 percent on the day after Saudi Arabia's powerful oil minister said OPEC would not cut production at any price. The S&P energy index fell 1.6 percent as the day's weakest sector; Chevron Corp lost 1.3 percent to $111.44 while Halliburton Co was off 1.9 percent at $39.70.
Crude oil is on track for its fifth-straight weekly decline and has fallen in 12 of the past 13 weeks. Continuación...