The OPEC logo pictured ahead of an informal meeting between members of the Organization of the Petroleum Exporting Countries (OPEC) in Algiers, Algeria, September 28, 2016. REUTERS/Ramzi Boudina/File Photo LONDON, April 14 (Reuters) – Output cuts announced by OPEC+ producers risk exacerbating an oil supply deficit expected in the second half of the year and … Read more