In other news, France began its third day of mourning on Monday for the victims of the Bastille Day attack in Nice that killed 84 people. More details have emerged about the killer Mohamed Lahouaiej Bouhlel, who was reportedly linked to the militant group Islamic State.
Tensions are also running high in the U.S. after three police officers were shot dead in Baton Rouge by a gunman in an ambush-style assault on Sunday. President Barack Obama condemned the killings and called for a measured response ahead of the party conventions.
During the trading session, foreign ministers have been meeting in Brussels under the cloud of geopolitical tension. While new British Foreign Minister Boris Johnson faced his European counterparts for the first time in his new role; the unrest in Turkey was a key focus for ministers on Monday; with Germany's foreign minister saying any decision by Turkey to reintroduce the death penalty after last week's events, would derail the country's efforts to join the EU; Reuters reported.
Global markets, however, tried to shake off geopolitical concerns, with Asia closing mostly higher, and U.S. stocks trading higher as investors embraced another earnings season. Elsewhere, the European Central Bank published its first list of corporate bond purchases on Monday.