Oil has risen about 50 percent from 12-year lows hit less than two months ago after Saudi Arabia, Qatar and Venezuela, along with non-OPEC exporter Russia, pledged to freeze supply at January’s levels if others cooperated. The U.S., Russia and ...

The Saudi, Russian, Qatari and Venezuelan oil ministers held a previously undisclosed meeting in Doha to discuss joint measures on tackling a growing oversupply of crude, Reuters reports. The participants announced the proposal on joint action to tackle a growing ...