UK Stocks-Factors to watch on Nov 7

Nov 7 (Reuters) - Britain's FTSE 100 index is seen opening up 14 points on Tuesday, according to financial bookmakers. * BARCLAYS: Barclays Plc has failed to persuade a U.S. appeals court to unwind a class action lawsuit accusing the British bank of defrauding shareholders about its private "dark pool" trading platforms. * FOX/SKY: Walt Disney Co discussed buying Rupert Murdoch's Twenty-First Century Fox's international assets such as pay TV provider Sky Plc, CNBC said. Fox ha