When Opec+ agreed to raise crude production between May and July, the boost in oil supply might have been expected to cause oil prices to head downwards.
Instead, prices rose after the output hikes were announced on 1 April.
That is because the surprise move is being seen by oil market watchers as a sign that producers in the grouping, made up of Opec with Russia and its allies, are becoming more confident in a rebound in oil demand.
