Sainsbury Christmas Sales Growth Weakens

J Sainsbury Plc, the U.K.’s third- largest supermarket chain, reported the slowest sales growth in eight years as Tesco Plc fought to win back customers and others defected to more upscale chains and discounters.
What To Watch: Greek Crisis, Banks Closed, China Rout
14:14 - Bloomberg's Jonathan Ferro briefs you on the day's top stories.
  • Iran Nuclear Talks on Verge of Missing Deadline
  • Tsipras Faces Pressure From Creditors for New Deal
  • Digitizing the U.K.'s Audio Treasures