Oil prices fell slightly on Friday but were still set for a third straight weekly gain after easing U.S.-China trade tensions lifted business confidence and the outlook for global economic growth. Brent LCOc1 was down 7 cents at $66.47 a barrel by 0954 GMT, equivalent to a weekly rise of around 2%. U.S. West Texas Intermediate crude CLc1 was down 10 cents at $61.08 per barrel, a gain of around 1.5% on the week. Progress in a long-running trade dispute between the United States and China, the world’s two biggest oil consumers, has boosted expectations for higher energy demand next year. China on Thursday announced a list of import tariff exemptions for six oil and chemical products from the United States, days after Washington and Beijing […]