Johannesburg shares in world No. 4 platinum producer Aquarius Platinum fall 6.7 percent to 5.60 rand after CIBC cuts its London price target to 50p from 75p.

The company also faces challenges on the labour front. South Africa's militant Association of Mineworkers and Construction Union (AMCU) said on Monday it now represented most of the workers at the Everest mine Aquarius plans to close and is willing to go to court to have it reopened. - Reuters