Reuters | Oil heads for biggest weekly drop since October Financial Times Major oil markets are on track for their biggest weekly drop in four months after a stronger US dollar sent prices sliding on Friday. Brent crude, the global oil benchmark, was down 1.9 per cent at $68.33 a barrel, facing its largest one-day drop since ... Texas shale challenges North Sea crude as world oil benchmark Oil market pauses advance as US output crosses milestone Big Banks Accept OPEC Was Right as They Embrace Oil Near $80 |