Russia’s largest securities broker is making a contrarian bet to venturing into the U.S. BCS Financial Group on Thursday said it had come to a consent to purchase Alforma Capital Markets Inc., a New York-based backup of Russian loan specialist OAO Alfa-Bank. The deal is liable to U.S. administrative leeway however is relied upon to close toward the year’s end, BCS said in an announcement. BCS, the largest player on the Moscow Exchange, said this obtaining was its first move into the North American market with its purchase of Alforma, the entirely claimed New York-based backup of Alfa-Bank. BCS’ holding…