Meanwhile, oil extended gains on Wednesday afternoon with prices rising after the EIA revealed that U.S. crude inventories had declined by 3.0 million barrels in the previous week. Brentstood at $51.89 at Europe's close, while U.S. crude rose more than 2 percent to $49.80.
Elsewhere, concerns over Brexit continue to weigh on sterling, with the currency hitting a 31-year low against the dollar on Tuesday. On Wednesday, sterling remained under pressure, trading slightly up against the dollar at Europe's close, at $1.2754.
In commodity markets, gold prices eked out some gains during most of Wednesday's trade, after falling 3.3 percent in the prior session to their lowest in more than three months, as the dollar eased back and equities fell, Reuters reported. However spot silver and other metal prices posted solid declines on Wednesday, adding pressure to basic resources, with precious metals miners Fresnillo and Randgold Resources closing sharply lower.