In individual stocks, Banco Popular was one of the STOXX 600's top gainers, ending over 5 percent up. The bank was lifted by positive comments made by HSBC on the sector, according to Reuters. Overall however, banks closed slightly below the flat line.
Marks and Spencer however fell near the bottom of Europe's benchmarks, after UBS cut its price target on the stock. Shares were off more than 2.5 percent.
On Thursday, Fingerprint Cards announced that it had appointed a new CEO, as it looks to develop and expand itself in new market spaces. Shares however fell to the bottom of the STOXX 600 on Thursday, off 9.5 percent.
—CNBC's Antonia Matthews and Christina Cheddar Berk contributed to this report.
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