Oil extends plunge, U.S. crude set for longest losing streak since 1984

NEW YORK (Reuters) - Oil prices fell more than one percent on Friday, with U.S. crude on track for its longest losing streak since 1984 as global supply increased and investors worried about the impact of lower economic growth and trade disputes on fuel demand.Benchmark Brent crude fell below $70 a barrel for the first time since early April, and was down nearly 20 percent since reaching four-year highs at the beginning of October. Brent crude futures fell 53 cents to $70.12 a barrel, a 0.8..