With powerful forces poised to push oil markets in unpredictable directions, OPEC watchers said the group’s decision was understandable. : OPEC+ responded to surging volatility and growing market uncertainty by keeping its oil production unchanged. The outcome of the brief online meeting on Sunday reflects the unpredictability of supply and demand in the coming months, and the wild gyrations in prices of the past week. The oil producers’ group has only just implemented the hefty 2 million barrel-a-day reduction agreed at its last gathering.