(Undated) — Oil investors are worried that slowing global economic growth is cutting into demand for oil and putting downward pressure on prices.
West Texas Intermediate crude is down four cents a barrel to $65.87.
International benchmark Brent crude is off a nickel, at $71.78 a barrel.
Traders are concerned about disappointing industrial figures out of China and uncertainty about emerging market economies centered on Turkey, where the economy is taking a beating.