Wall Street Journal | Oil Prices Up in Volatile Trade Wall Street Journal Oil prices rose in volatile trade Tuesday after the dollar slumped but the market remains on edge over uncertainty surrounding an output cut among major producers. Brent crude, the global oil benchmark, rose 1% to $43.24 a barrel on London's ICE ... 5 reasons oil is trading above $40 a barrel again Oil Advances to Four-Month High as U.S. Shale Production Slides |