The closure of Heathrow Airport on Friday is of course set to have an immediate impact on travellers - but the wider-reaching consequences will also ripple out across the course of the day, with one now being seen in the stock market.
While the airport itself is privately owned, many airlines are public listed companies, owned by shareholders by in the private finance sphere and by members of the public - also known as retail investors - who can hold shares in a range of ways including in share dealing accounts, through funds or even without knowing it in their pensions.
