"There are good chances that we will come to a conclusive mutual solution, but I can't be entirely sure," Luxembourg Prime Minister Jean-Claude Juncker said Tuesday.
The Stoxx Europe 600 Index rose 0.34 per cent to 269.49. Germany's DAX Index added 0.69 per cent to 7,172.99, while France's CAC 40 Index soared 0.65 per cent to stand at 3,462.06.