UK Stocks-Factors to watch on Jan. 21

Britain's FTSE 100 index is seen opening 15 points higher at 6,984, on Monday, according to financial bookmakers. * SAINSBURY: A British court ruling has indicated that a final regulatory verdict on supermarket operator Sainsbury's proposed 7.3 billion pound takeover of Walmart unit Asda will be delayed until the end of April from early March. * CO-OPERATIVE GROUP: Co-Operative Group Ltd, Britain's sixth largest supermarket group, said on Friday it was selling its insurance underwriting