The benchmark FTSE 100 index has shed around seven points within the first hour of trading to 4,533, after stocks continued slipping.
Allied Domecq fell 13.75p to 451p. The maker of Malibu rum has reported fiscal first-half net income fell 9.2% to £167m because of increased pension costs and the dollar's decline against sterling.
Abbey National, one of Britain's largest lenders, lost 13.25p to 421.75p.
In Asia, Tokyo's Nikkei 225 index gained 35.80 points to 11,980.10 earlier today, while Hong Kong's Hang Seng index lost 56.82 points to 12,170.48.
In the US, the Dow Jones Industrial Average index ended up 2.77 points at 10,317.27 yesterday and the S&P 500 index gained 5.94 points to 1,124.09.
Nasdaq's Composite index closed up 17.00 points at 1,995.63.IFAonline
‘Most significant’ upgrade since launch
Changes happening over coming months
Had accepted British Steel business
Aimed at HNW clients and family groups
Set for 1 April 2019