The price of oil held near the lowest levels of the year on a quiet Friday ahead of the holiday weekend.
Benchmark U.S. crude on Friday added 20 cents to finish the week at $90.86 per barrel in New York while Brent crude rose by 28 cents to end at $106.83 per barrel in London.
Both crude varieties have tumbled this month on forecasts of weaker world demand and higher supplies. U.S. crude closed Wednesday at $89.90, its lowest close since October.
Prices fell in May as the economies of the two biggest oil consumers _ the U.S. and China _ showed signs of...