U.S. Energy Secretary Rick Perry said on Monday a deal between global oil producers to boost crude output reached last week may not be enough to relieve global oil markets that are stressed by supply constraints. The Organization of the Petroleum Exporting Countries and non-OPEC countries reached an agreement on Saturday to moderately boost production after consuming countries including the United States had urged them to produce more. Saudi Arabia said the agreement would likely result in about 1 million barrels more oil output per day, or about 1 percent of global oil supplies. The price of oil LCOc1 traded in London fell on Monday after the wider agreement, by […]