The troubled global travel operator Tui is issuing another profit warning due to unexpected costs the company has incurred from the flight ban issued for Boeing's troubled 737 Max 8 model, according to Bloomberg.

Tui expects to see a total negative impact of €300 million on its operating profit for the financial year ending September 30, the company said in its new profit warning, which is in addition to its May warning that it would see costs of more than €200 million. The company also issued a profit warning in February, as the pace of summer bookings stagnated due to the weakening pound and Brexit concerns. 

The travel company's stock fell 4 percent on the news to its lowest level since the beginning of 2013.

Source: News Agency Direkt