CNBC | US oil closes at $37.18, down $1.32, or 3.4 pct CNBC U.S. oil prices fell over 3 percent on Monday on concerns a six-week market recovery has gone beyond fundamentals, as U.S. crude stockpiles continue to mount and Iran maintains little interest in a global production freeze. Market intelligence firm ... Oil Output Negotiations Hit Obstacles Oil back below $40 as Iran dashes hopes for quick deal on output Iran Just Trashed the Oil Price Recovery Party |