LONDON—The Organization of the Petroleum Exporting Countries increased its production last month, the group said in a report on Wednesday. But the data for how much production rose conflicts with information provided by individual member countries, underscoring the challenges ahead as OPEC tries to complete a deal to cut production. OPEC announced a deal last month to cut production to a maximum of 33 million barrels a day, an...

Source: Wall Street Journal October 12, 2016 08:57 UTC