Russia shocked the world last week by blowing up its shaky alliance with OPEC. Moscow's refusal to join with the cartel is aimed in part at drowning US shale oil companies that rely on higher prices in a sea of cheap crude.

Russia shocked the world last week by blowing up its shaky alliance with OPEC. Moscow's refusal to join with the cartel is aimed in part at drowning US shale oil companies that rely on higher prices in a sea of cheap crude. https://t.co/khvG4V54ex

— CNN (@CNN) March 10, 2020