Far from hurting Ryanair stock, the spat between SpaceX and Tesla CEO Elon Musk and Michael O’Leary, the airline’s chief executive, can help Ryanair’s shares. Over the past few days, tempers of the two CEOs flared up after Ryanair played down the idea of using SpaceX’s Starlink broadband service for its flights. Musk called the view misinformed.