Pakistan's top court rules Reko Diq mine deal invalid

TORONTO (Reuters) - Pakistan's top court has ruled against Canada's Barrick Gold Corp and Chile's Antofagasta Plc in a long-running dispute with a provincial government over their right to develop a $3.3 billion (2.0 billion pounds) copper-gold deposit. Related Stories Balfour Beatty CEO stepping down, deputy to take over Carlyle eyes $4 billion profit from China insurance exit Former UBS bosses