Shares in listed cruise shipping companies staged double digit collapses after Carnival Corporation & plc, the largest cruise company in the world, had published interims for the third quarter of its financial year.

Carnival plc, the group’s UK domiciled and London listed holding unit closed at 581.50 pence, a whopping 21.25% down on the day. Carnival Corporation, the Panama domiciled and New York listed holding company, traded 20.91% lower at $7.24 at lunchtime .

TUI AG, the world’s largest tour operator that has stakes in three cruise brands and 16 ships, fell 10.1% to close at 108.15 pence. The company is headquartered in Hannover in Germany and its shares are listed in London.

Royal Caribbean Group was down 11.48% to $38.65 and Norwegian Cruise Line Holdings, Ltd. by 16.20% to $11.61 act lunchtime in New York.