Wall Street Journal | Oil Rises on Talk of Output Agreement Wall Street Journal NEW YORK—Oil markets rose Tuesday as traders focused on the possibility of an output agreement among large producers. Russia's energy minister said Tuesday that a “critical mass” of oil-producing countries had agreed to freeze oil production, and that ... US shale producers poised to raise output if oil hits $40 a barrel Oil traders beware: El Niño may distort US shale output picture In slump, oil firms turn to labs, data centers for help |