CNBC | Oil prices fall into bear market on rising supply, economic concerns CNBC Oil markets on Friday remained weak as rising supply and concerns of an economic slowdown pressured prices, with U.S. crude now down by around 20 percent since early October. U.S. West Texas Intermediate (WTI) crude oil futures were at $65.60 per ... Oil prices have fallen 20 percent in a month Oil prices down 20% in a month as fundamentals weaken US Oil Enters Bear Market on Rising Inventories, Worries of Oversupply |