The warning sent airlines and tourism companies down. TUI fell 23.8p to 765p, British Airways owner IAG lost 4.4p to 445p, while easyJet tumbled 25.5p to 992p and Thomas Cook was down 0.7p to 11.9p. It was a rotten session for Renold, which makes cables for lifts, as it lost 21%, or 7p, to 25p.