US STOCKS-Energy and materials drag Wall St lower after a 3-day rally
* Crude resumes slide
* Apple drags down markets
* Pandora soars after comments on new music royalties
* FedEx rises after 3rd-quarterprofit beats view
* Indexes down: Dow 0.97 pct, S&P 0.99 pct, Nasdaq 0.82 pct (Updates to late afternoon, adds details, changes byline)
By Marcus E. Howard
Dec 17 (Reuters) - U.S. stocks fell on Thursday following three days of gains as energy and materials shares tracked declines in prices of crude oil and metals.
Crude oil prices resumed their slide after gaining earlier in the day, on persistent oversupply worries and as the dollar hit a two-week high.
U.S. crude fell as much as 2.5 percent and traded below $35 a barrel while Brent traded near a seven-year low hit earlier this week. Continuación...