Brent oil prices retreated from three-week highs reached earlier in the day on Wednesday, after a surprising fall-off in U.S. refining runs and an unexpected increase in inventories of gasoline and diesel. Prices had been higher due to ongoing tensions around oil-rich Iraq and Iran, which raised risk premiums. International benchmark Brent crude futures LCOc1 fell two cents to $57.86 a barrel as of 11:18 a.m. EDT (1518 GMT). They reached their highest in three weeks earlier in the session at $58.54 a barrel. U.S. West Texas Intermediate (WTI) crude futures CLc1 were down 11 cents to $51.77 a barrel. Sponsored Weekly U.S. crude inventories fell by 5.7 million barrels, the Energy Information Administration said, exceeding expectations. [EIA/S] Refiners throttled down activity as the fall […]