Stocks in the U.K. rose Thursday, as the FTSE 100 Index added 0.4% to 8186.35.
Among large companies, Indivior PLC was the biggest gainer during the session, surging 16%, and IG Group Holdings PLC surged 6.7%. Unilever PLC rounded out the top three movers on Thursday, as shares surged 6.2%.
Centrica PLC posted the largest decline, dropping 9.9%, followed by shares of Centamin PLC, which dropped 7.7%. Shares of Airtel Africa PLC dropped 7.0%.
In other parts of Europe markets closed lower, with the STOXX Europe 600 Index down 0.7% to 508.63, Germany's DAX fell 0.5% to 18,298.72 and France's CAC 40 lost 1.2% to 7,427.02.