Shares were mixed in Europe and Asia on Friday, with Britain's FTSE 100 slightly lower as the midnight departure of the UK from the European Union loomed.

World share prices rebounded Wednesday as confidence rose in China's handling of an outbreak of a new virus that has infected 440 people, with nine confirmed deaths.

 World shares advanced Friday despite fresh concerns over a report that cast doubt on the prospects for a long-term U.S-China trade deal.