European stocks open down

In initial trade, London's benchmark FTSE 100 index slid 0.4 percent to 7,339.65 points, as investors awaited Britain's final reading on fourth-quarter GDP.

In the eurozone, Frankfurt's DAX 30 dipped 0.1 percent to 12,241.57 points and the CAC 40 in Paris fell 0.2 percent to 5,077.30 points.

"We have a relatively quiet run into the weekend break... although attention will once again be on the political agenda," said analyst Tony Cross at trading firm TopTradr.

Wall Street had rallied Thursday, with banking and oil shares gaining, as US fourth-quarter growth was upgraded and oil prices topped $50 a barrel.

US economic growth hit 2.1 percent in the last three months of 2016, which was 0.2 percentage points better than first thought, with crucial consumer spending seeing a strong increase.

However, Asian equities sank Friday as investors positioned themselves and closed their books on the final day of the first quarter.