NEW YORK (Reuters) - Oil prices jumped on Thursday after sources said Russia and Saudi Arabia have a new deal to cut oil output drastically in response to a collapse in global demand from the coronavirus.A worldwide lockdown to slow the spread of the coronavirus pandemic has cut fuel demand by roughly 30%, and contributed to a crash in prices that took major benchmarks down by more than two-thirds. Prices surged on Thursday as producers appeared set to cut production sharply, though exact..