Rolls-Royce, English firm operating in the aerospace sector, concluded the sale of its stake in the International Aero Engine (IAE) joint-venture, which produces the V2500 turbofan engines, installed on several models of aircraft, like the Embraer's KC-390. The share was sold for 1.5 billion dollars (roughly 1,19 billion Euro) to the American company Pratt & Whitney, which then doubles its equity...