Orange had grand plans for its Orange Bank but is now rumored to be looking to sell the business. According to the French media, the operator is working with investment bank Lazard on a possible sale or new partnership the bank. “In a very strong competitive environment in the banking market, Orange is considering all opportunities to develop Orange Bank’s activities and to support its growth,” the company said in a statement. French newspaper Les Echos speculated that French online bank Boursorama would be a likely candidate to buy Orange Bank or engage in a joint venture. Its unnamed sources also suggested that Orange might have to pay a buyer as much as €500m to take the bank off its hands.…