The pan-European STOXX 600, which was up 0.3pc by 0811 GMT, was still looking at its second straight weekly decline on concerns about the coronavirus outbreak in China which has now taken more than 200 lives.
Investors also took heart that the World Health Organization (WHO) stopped short of travel and trade restrictions with China, even as it declared the virus outbreak a global emergency.
Travel and leisure as well as the mining subsector, which are among the worst hit European subindexes this week, outperformed.
Spain's Banco Sabadell tumbled 7.3pc after the lender swung to a loss in the fourth quarter from a profit a year earlier due to higher-than-expected bad loan provisions and losses at its British unit TSB.
Brexit day, which comes three and a half years after the United Kingdom first voted to leave the bloc, is not expected to move markets, analysts said.