Stock indices traded mixed, debt talks between Greece and its creditors remain in focus. Greek Prime Minister Alexis Tsipras is set to meet European Central Bank President Mario Draghi, the International Monetary Fund Managing Director Christine Lagarde and European Commission President Jean-Claude Juncker in Brussels today.

The Eurogroup's meeting is scheduled to be later in the day, while next Eurozone leaders' meeting is scheduled to be tomorrow.

EU officials said on Monday and on Tuesday that a deal could be reached this week.

Meanwhile, the economic data from the Eurozone was weaker than expected. German business confidence index dropped to 107.4 in June from 108.5 in May, missing expectations for a decline to 108.1.

"The outlook for the German economy is overcast," Ifo President Hans-Werner Sinn said.

The Ifo current conditions index fell to 113.1 from 114.3, missing forecasts of a decline to 114.1.

The Ifo expectations index declined to 102 from 103. Analysts had expected the index to decrease to 102.5.

The British Bankers' Association (BBA) released the number of mortgage approvals in the U.K. on Tuesday. The number of mortgage approvals increased to 42,530 in May from 42,020 in April. It was the highest reading since March 2014.

Current figures:

Name Price Change Change %

FTSE 100 6,840.83 +5.96 +0.09 %

DAX 11,415.29 -127.25 -1.10 %

CAC 40 5,011.95 -45.73 -0.90 %