Oil edged lower in thin trading on Friday with US-Iran peace negotiations on the ropes but still in play, leading some traders to peel back risk ahead of the weekend. West Texas Intermediate fell to settle near $102, though futures still notched a second straight weekly gain. The US benchmark finished up roughly 8% on the week. Uncertainty over future supply has contributed to sharp price swings, depressing trading volumes. Markets are closed in many nations,(including China, Singapore, Germany, ....
