Metal Tiger is currently interested in approximately 3.4% of Sandfire's issued share capital Caledonia Mining Corp PLC said it agreed to buy the Maligreen project in the Gweru mining district in Zimbabwe, from Pan African Mining (Private) Ltd, a privately owned Zimbabwean company, for US$4mln (£2.9mln) in cash. Anglo Asian Mining PLC ( AIM:AAZ, FRA:A4A, OTC:AGXKF ) (AIM:AAZ, FRA:A4A, OTC:AGXKF ) expects its financial performance to improve in the second half after it reported a decline in interim pretax profit due to higher input costs and lower gold production.