However, the euro plummeted to a six-and-a-half month low against the yen Monday, as the Japanese currency benefited from its traditional safe-haven status.
A Greek migration official said the Syrian passport found outside the Stade de France in Paris belonged to a 25-year-old asylum seeker.
Experts say French security services are already stretched thin after reportedly following some 6,000 people in the aftermath of the Charlie Hebdo attack earlier this year.
The unspecified measures follow the terror attack on the Stade de France in Paris, where a soccer game was taking place on Friday.
The European Space Agency has two sites located near the sites of the atrocities in Paris.
An attacker wearing an explosive vest was found attempting to enter the stadium with a ticket to the France-Germany soccer game.
In a significant escalation of the Islamic State group's activities in the West, it says it was behind the terrorist attacks that killed at least 127 in Paris.
The six attacks, including the Bataclan concert hall, killed at least 127 people triggering border closures and an increase in France’s alert level.
French president Francois Hollande has blamed ISIS for the terror attacks in Paris which have left at least 127 dead.
All sports competitions in the Paris region have been suspended in the wake of Friday's deadly attacks in the French capital.
While France declared a state emergency and closed its borders after the deadly attacks, several other countries also increased the security measures.
World leaders, including U.S. President Barack Obama and Russian President Vladimir Putin, expressed shock and anguish over the spate of deadly violence in Paris.
As a night of terror unfolds, Parisians are stunned and anxious.
Friday's terror attacks in Paris prompted the country to temporarily suspend the open borders instituted under the Schengen Agreement with other EU members.
Roughly 200 hostages were taken at the Bataclan theater in Paris Friday night amid a deadly attack that saw at least 35 people killed amid shootings and explosions around the city.
There is an ongoing hostage situation at the Bataclan concert venue.
Scores of people in Paris were killed and authorities said they believe the attackers have committed suicide. It is still unclear who is responsible for the carnage.
President Francois Hollande was reportedly in the national stadium watching the France-Germany soccer match and was evacuated following the Friday night attacks.
Ahead of the G20 meeting in Turkey, Germany's leader defended the policy as criticism mounted from members of her own party.
GDP growth in the third quarter in the 19-nation eurozone came in below expectations while Europe's largest economy also slowed over the previous quarter.
Russia reportedly tried to block the agreement last August and threatened an embargo against Ukrainian goods.
Around 370 jobs will be lost, but it was unclear if the slowdown would have an effect at plants elsewhere in Europe.