Oil prices fall after second round of US-Iran nuclear talks

Oil prices fell more than 2 percent on Monday after the second round of nuclear talks between the United States and Iran in Rome over the weekend.

Brent crude futures slipped $1.81, or 2.7 percent, to $66.15 a barrel after closing up 3.2 percent on Thursday. US West Texas Intermediate crude was at $62.84 a barrel, down $1.84, or 2.8 percent, after settling up 3.54 percent in the previous session on Thursday.