LONDON, Nov 8 (Reuters) – Differentials for Nigerian and Angolan crude held unchanged on Thursday, as sellers refused to cut their offer prices despite a growing surplus of oil and expensive freight rates that have paralysed spot activity, trading sources said.

Source: http://feeds.reuters.com/~r/reuters/AfricaNigeriaNews/~3/AOl3b0S9-Bw/idAFL8N1XJ6IP