LeapRate Exclusive … Some of the world's leading institutional investors continue to make big bets on a turnaround in shares of leading UK online brokers, which were hit hard late last year after the FCA proposed new strict rules governing Forex and CFD trading. LeapRate has learned via regulatory filings that BlackRock, Inc. (NYSE:BLK) has increased its position in UK online broker IG Group Holdings plc (LON:IGG) to above 10%. New York based BlackRock is the world's largest asset manager, with more than $5 trillion in assets under management.