Four bidders have expressed interest in Greece’s tender for a €1.45 billion ($1.70 billion) project to expand the Athens metro, state-owned Attiko Metro announced on Thursday. The interested investors are Greek contractor GEK Terna with France’s Vinci and Siemens; J&P Avax with Italy’s Ghella and France’s Alstom; Greek construction firm Aktor with Hitachi Rail Italy; […]