The FTSE 100 rose 0.5% led by consumer staples, materials, and energy stocks.
The mid-cap index remained subdued at 0.3% with concerns around the economic damage from Covid-19 pandemic.
The pound felt the pressure as the Prime Minister Boris Johnson and the European Union’s chief executive has given themselves till Sunday to seal a Brexit new trade deal.
The FTSE 250 saw the sportswear group Frasers Mike Ashley’s British rise 6.5%.
Tense times but it looks increasingly likely that there will be no trade deal by 31 December.