In other news
Money manager Old Mutual Global Investments has announced the merger of its property fund division into Henderson UK property OEIC, forming a £2.7bn fund.
World stocks have dipped, as European bank stress test results due at the weekend and New York City's first case of Ebola prompted investors to lock in profits.
Microsoft co-founder Paul Allen has said he would increase his total donations to organisations tackling Ebola to over $100m, making him one of the major donors.
European Union leaders have struck a deal on a target to cut carbon emissions, but critics warn compromises have undermined the fight against climate change.
A little-known Japanese company has donated 10 000 high-tech face masks to several Ebola-hit African nations and says it is now getting calls from New York City.
European shares have fallen in early trading, as investors fretted about news that a doctor who recently returned to New York has tested positive for Ebola.
US airlines has given a mostly upbeat outlook on industry conditions after posting large profit increases in the third quarter thanks to strong consumer demand.
European leaders have met to forge energy policy to cut climate-warming gas emissions in the years to 2030, but haggled on how to share out the costs of a deal.