Oil prices edged up on Wednesday, supported by ongoing supply cuts led by producer club OPEC and U.S. sanctions against Iran and Venezuela, although gains were limited by concerns over economic growth. International Brent crude oil futures were at $67.79 a barrel at 0752 GMT, up 18 cents, or 0.3 percent, from their last close. Brent on Tuesday touched its highest since Nov. 16 at $68.20 a barrel. U.S. West Texas Intermediate (WTI) crude futures were at $59.09 per barrel, up 6 cents, or 0.1 percent, from their previous settlement. WTI on Tuesday reached its highest level since Nov. 12 at $59.57 a barrel. Crude prices have risen by almost a third this year, pushed up by a move led by the Organization of the Petroleum […]