Bank shares shine in falling FTSE 100
(Close): Banks Barclays, Royal Bank of Scotland, HSBC and Lloyds were four of the five best risers, with RBS climbing more than 2%.
Ashtead Group, which provides construction equipment, was the biggest faller on the FTSE 100, dropping more than 4%.
Whitbread shares lost close to 4% of their value following a negative note from analysts at Barclays.
The FTSE 100 was down 81 points, or 1.19%, at 6776.95 points.
Pub chain JD Wetherspoon was 2.4% higher after posting record full-year profits and bullish comments about the UK's prospects post-Brexit by chairman Tim Martin.
Rival pub group Greene King was down 6%, though, after saying the referendum vote had led to "a softening of some economic indicators and a reduction in consumer confidence".
Trade figures showing the UK's deficit with the rest of the world narrowed slightly.