Oil prices extended a week-long slide on Thursday, briefly tumbling below a barrel for the first time in two weeks amid growing concerns an economic slowdown in top consumer the…

Opec is widely expected to resist consumer calls for more oil when it meets on Friday, worried by a slowing United States economy and the onset of seasonally lower demand in the…

Oil leapt more than a barrel to a new record high of ,44 on Tuesday, as a weak dollar and tight fuel stocks prompted buying by speculators. Investors, wary of global equity…