Wednesday, May 21 - The Islamic Finance Gateway (IFG) Briefing, published from Sunday to Thursday, carries the latest market-moving news and data for institutions offering Islamic financial services. To view the full PDF version of the briefing click here: tmsnrt.rs/1ndAsO8TOP STORIES Regulator backs ADIB purchase of Barclays UAE unit: CEOAbu Dhabi Islamic Bank has received regulatory approval fro