OPEC said on Tuesday that world demand for its oil would be higher than expected this year as supply growth from rivals including U.S. shale producers slows, pointing to a tighter market if the exporter group refrains from raising output. But the Organization of the Petroleum Exporting Countries, in a monthly report, said its output fell in April. Top exporter Saudi Arabia cut output despite oil prices hitting a 2019 high above $75 a barrel and U.S. President Donald Trump urging action to lower prices. Supply losses in OPEC members Iran and Venezuela, both under U.S. sanctions, have deepened the impact of an OPEC-led production-limiting deal. The so-called OPEC+ group of producers meets next month to review whether to […]