LONDON — European stocks were set to open higher on Friday as traders await economic data and more earnings reports, while monitoring tensions between the U.S. and Iran. London's FTSE 100 is set to open 0.5% higher, Germany's Dax 0.3%, and France's CAC 40 0.6%, according to data from IG. Friday will see more European companies reporting earnings, including Air Liquide , Danone , Sika , Anglo American, and Kingspan Group . Traders are also awaiting economic data, including U.K. retail sales