An £18 billion gold and silver business is to unveil plans to list in London in what could be the City’s largest listing in almost a decade. Wheaton Precious Metals is planning a secondary listing on the main market in London alongside its existing listings in Canada, where it is based, and in New York. The move, which is due to be...An £18 billion gold and silver business is to unveil plans to list in London in what could be the City’s largest listing in almost a decade. Wheaton Precious Metals is planning a secondary listing on the main market in London alongside its existing listings in Canada, where it is based, and in New York. The move, which is due to be...An £18 billion gold and silver business is to unveil plans to list in London in what could be the City’s largest listing in...