With oil erasing over a third of its value overnight after a messy breakup of the OPEC+ alliance, OPEC members are bleeding over half a billion dollars ((381 million pounds) a day in lost revenue, according to Reuters calculationsFor the most part, oil is a top income source for members of the Organization of the Petroleum Exporting Countries and such a dramatic fall in prices will put strain on their economies, some of which such as Iran and Venezuela, are already on the brink.
