US STOCKS-Wall St resumes decline as dollar hits 12-year high
* S&P poised for third straight weekly decline
* Crude oil weaker again, pressuring energy shares
* Indexes down: Dow 1.3 pct, S&P 1.1 pct, Nasdaq 0.9 pct (Updates to late afternoon)
By Caroline Valetkevitch
NEW YORK, March 13 (Reuters) - U.S. stocks dropped on Friday afternoon and the S&P 500 was on track for its third straight weekly decline as the dollar resumed its climb and lower oil prices hit energy shares.
The rise in the U.S. dollar index, which was set for its fourth straight weekly gain, added to worries about the currency's impact on U.S. multinationals' earnings.
The dollar hit a fresh 12-year high against the euro on Friday as dollar-buying momentum overcame soft U.S. economic data that would normally weaken it.
The S&P energy index fell 1.1 percent, among the biggest decliners of the 10 primary S&P 500 sectors.
Crude oil fell 4.7 percent to settle at $44.84 a barrel after the International Energy Agency said a global glut continued to build and U.S. oil production showed no signs of slowing. The commodity has fallen in six of the past seven sessions and is down almost 60 percent from a June peak. Continuación...