Stock indices traded higher on a weaker euro. The euro declined ahead of the European Central Bank's (ECB) interest rate decision. The interest rate decision is scheduled to be released at 11:45 GMT. Analysts expect the monetary policy to remain unchanged.

Eurozone's unadjusted trade surplus jumped to €20.3 billion in February from €7.6 billion in January. January's figure was revised down from a surplus of €7.9 billion.

Exports climbed by 4%, while imports were flat.

Concerns over Greece's debt problems continue to weigh on markets. The Greek Finance Minister Yanis Varoufakis is to meet U.S. President Barack Obama in Washington on Thursday.

Current figures:

Name Price Change Change %

FTSE 100 7,098.95 +23.69 +0.33 %

DAX 12,285.87 +58.27 +0.48 %

CAC 40 5,252.09 +34.03 +0.65 %