Lloyds Banking Group was the biggest faller at the close of trading as the FTSE 100 dropped to its lowest closing level during December.
The blue chip index dropped 1.8% to 5,428 as the European summit deal failed to buoy markets after initial enthusiasm.
Lloyds dropped hardest, down 8.6% to 24.42p, while peer Royal Bank of Scotland Group – which has grabbed a number of headlines today – also featured in the bottom five performers, falling 6.5% to 20.56p.
Essar Energy dropped 8.5% to 203.9p, Eurasian Natural Resources slipped 7.4% to 634.5p, while Kazakhmys fell 6.7% to 880p.
The biggest riser was Guinness brewer Diageo, up 1% to 1,374p. Both energy company SSE and Glaxosmithkline rose 0.6% to 1,263p and 1,432.5p, respectively.
Elsewhere Imperial Tobacco rose 0.5% to 2,363p, as news that the Office for Fair Trading had dropped a £112.3m fine, while retailer Next slipped 0.4% to 2,606p.
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