Feb 11 (Reuters) - Britain's FTSE 100 .FTSE index is seen opening down 54 points, or 1 percent, on Thursday, according to financial bookmakers. For more on the factors affecting European stocks, please click on The UK blue-chip index closed 40.11 points higher, or 0.7 percent, at 5,672.30 on Wednesday, led by financial stocks as banks made up some ground on bargain-hunting after three straight sessions of losses. Global miner Rio Tinto RIO.L slumped to a net loss for 2015, hit by a rout in commodities, and scrapped its promise to pay a steady or higher dividend annually due to the tough outlook. BREXIT: A draft accord to help keep Britain in the European Union is "very fragile", a top EU official warned on Wednesday as France and eastern states pushed for changes before leaders meet to try and seal the deal next week. UK BANKS: An EU reform package aimed at persuading Britons to stay in the European Union must not give special treatment to London as a financial centre, French Finance Minister Michel Sapin said on Wednesday. UK SUPERMARKETS: The Competition and Markets Authority, Britain's consumer watchdog, is planning to take action against supermarkets such as Tesco TSCO.L , Sainsburys SBRY.L and Wal Mart's Asda WMT.N for pricing and promotional practices, The Telegraph reported. BRITISH PROPERTY: British property valuers reported a surge of activity on Thursday as property investors tried to beat an increase in transaction taxes on rental investments coming into force in April. EX-DIVS: BP Plc BP.L and Sage Group Plc SGE.L will trade without entitlement to their latest dividend pay-out on Thursday, trimming 5.27 points off the FTSE 100, according to Reuters calculations ID:nL8N15N3MI
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