According to Reuters, Brent crude oil slipped because investors are growing concerned over another supply glut.<br />On the day, Brent crude is trading down about 31 cents, falling to $66.45 per barrel.<br />But the price for Brent crude futures has a few influential factors.<br />For one, US oil inventory is on the rise, with eight straight weeks of growth.<br />But US inventories are also swelling at their fastest rate in a year. <br />
