South African stocks ended higher rebounding after three straight downward sessions.
Impala Platinum says platinum producers and Amcu are still trying to resolve outstanding issues.
Amcu's interdict was to stop platinum companies from communicating with employees.
The NUM says once striking in the mining sector ends it expects its membership to swell.
Police say violence on the platinum belt has decreased and more miners are returning to work.
Some 80,000 workers affiliated to the union have been on a wage strike since January.
Amplats on Tuesday agreed to re-enter talks with the union in a bid to resolve the impasse.
While talks over wages in the mining sector resume, mineworkers continue to protest.
The committee representing workers has lashed out at Amcu's Joseph Mathunjwa.
The union is ready to issue a 48-hour notice to employers but awaits its members' mandate.
The union’s members voted in favour of a strike over wages at Impala Platinum.
Zimbabwe will review a plan by Impala Platinum to sell control of its Zimplats unit to local black investors
Around 3,000 miners did not show up to work after a colleague was dismissed.
Platinum producers such as Impala led the benchmark index to briefly touch a life-time high.
The Marikana Inquiry heard how other mining companies set a precedent for Lonmin workers.
The world’s no.2 platinum producer says workers are now requesting a second pay hike.
