Oil prices rose Friday ahead of long U.S. and UK holiday weekends, but posted their biggest weekly drop of the year, pressured by rising inventories and concern over an economic slowdown. Brent crude rose 93 cents, or 1.4% to $67.69 a barrel but the global benchmark still posted a weekly loss of more than 4.5%. U.S. West Texas Intermediate crude rose 1.2% to $58.63, yet it recorded a one-week loss of more than 6%, its biggest of 2019. U.S. crude inventories have risen to their highest since July 2017, suggesting ample supplies in the world's top consumer 1/8EIA/S 3/8, with prices also hit b...