US STOCKS-Wall St set to open slightly lower as oil drops again
* S&P poised for third straight weekly decline
* Consumer sentiment data on tap after market open
* FXCM rallies in premarket after strong results
* Futures down: Dow 32 pts, S&P 3 pts, Nasdaq 1.75 pt (Updates prices)
By Ryan Vlastelica
NEW YORK, March 13 (Reuters) - U.S. stock index futures pointed to a modestly lower open on Friday as crude oil prices continued to fall, putting the S&P 500 on track for its third straight weekly decline.
Markets have been volatile this week, with the S&P posting both its biggest one-day gain since early February and its biggest one-day loss since early January.
Crude oil fell 2 percent, after the International Energy Agency said a global oil glut was building and U.S. oil production showed no signs of slowing. The commodity has fallen in six of the past seven sessions and could continue to weigh on energy names.
Equities have recently been driven by the U.S. dollar, with the S&P having a high inverse correlation to the currency. Thursday's equity rally corresponded with the biggest one-day drop in the U.S. dollar index in a month. Continuación...