Maple Group Acquisition Corp., a consortium of Canadian banks, pension plans, investment funds, and related corporations, gained control of TMX Group Inc., owner and operator of the Toronto Stock Exchange (TSX), on July 31, 2012, receiving 91 percent of TMX’s shares for $3.8 billion. Maple was formed in 2011 with a view of maintaining Canadian ownership of the TSX following TMX’s rejection of a foreign takeover bid by the London Stock Exchange. Malcolm Taylor/Getty Images