Swiss mining group Xstrata plc has reduced the minimum acceptance level in its Jubilee Mines takeover offer from 90 per cent to 50 per cent, after struggling to win acceptances from Jubilee shareholders.

Swiss mining group Xstrata plc has reduced the minimum acceptance level in its Jubilee Mines takeover offer from 90 per cent to 50 per cent, after struggling to win acceptances from Jubilee shareholders.