World's Largest Airport Operator AENA Start Trading On Madrid Stock Exchange

BARCELONA, SPAIN - FEBRUARY 10: A passenger pushes his suitcase past check-in desks at Aena operated Barcelona - El Prat International Airport on February 10, 2015 in Barcelona, Spain. Shares in state-controlled Spanish airports operator, Aena, began trading today on the Madrid stock market. The Spanish government will retain a 51% controlling share in the firm, as it seeks to raise 3.9 billion Euros through the sale of the remaining 49%. Aena operates major hubs in Barcelona and Madrid, as well as a further 15 airports in Europe and America, including London Luton. (Photo by David Ramos/Getty Images)