Easyjet and Ryanair fell 7% and 6% as investors predicted they would be hit by a decline in transfer traffic to international hubs. The combined drop in market value of easyJet, Ryanair, IAG, Wizz Air, Norwegian, Air France and Lufthansa was about £3 billion. Brave flyers boasted on Twitter of picking up super-cheap tickets, but airline investors were considerably less bold on the shares.