Both airlines and tour operators were amongst the biggest fallers on the FTSE 100 this morning (July 15) after 84 people were killed when a lorry drove into pedestrians during Bastille Day celebrations in the French city.
EasyJet was the worst-performing stock on the index during early trading – falling 2.3% to 1,144p, according to City AM.
British Airways’ parent company International Airlines Group also took a hit, dropping 1.5% to 419.3p.
In addition, travel giant Tui saw its stock value decline by 0.9% while cruise line Carnival fell by 1% to 3,520p.
Meanwhile on the FTSE 250, Thomas Cook suffered a 1.65% drop to 65.2p.
Naeem Aslam, chief market analyst at Think Markets UK said: "After the horrific attacks in France, investors are anxious about the situation and how it will unfold.
"Most importantly, the question is what it means for the EU and for its single market with open borders given that the UK has chosen to leave the EU.
"Events like these can cause further division among nations which may create more turmoil and uncertainty for the markets. It is certainly time for unity and only a united front can cure these events."
Foreign Secretary Boris Johnson has confirmed that a Briton is amongst those injured after the attack on revellers.
