Oil slumped near $70 to mark a fourth-straight week of losses as concerns about demand growth persist.
It briefly appeared like West Texas Intermediate would manage to snap its losing streak, supported by signs that Iraqi oil exports likely will not resume on Saturday and the US signalling it could purchase crude to refill the strategic reserve after next month. But a strong dollar Friday, which makes oil more expensive for holders of other currencies, wiped out those gains.
Over the week, ....
