Wall Street Journal | Oil Prices Tread Water Wall Street Journal NEW YORK—Oil prices traded near flat Tuesday as traders weighed expectations of continued declines in U.S. production against a weaker global economic growth outlook. The global oil market remains oversupplied more than a year and a half after prices ... 5 reasons oil is trading above $40 a barrel again Oil Advances to Four-Month High as U.S. Shale Production Slides |