Investors want to see an urgent resolution to the standoff between Eskom and trade unions Numsa, NUM and Solidarity.
They say any further strikes could lead to widespread power cuts that have affected South Africa in the past.
Meanwhile, the NUM says it’s ready to sign a three-year wage offer from state Eskom provided the power utility agrees not to discipline staff who went on strike.
A week ago, Eskom and the three unions agreed on salary increases of 7.5% in 2018 and 7% next year and in 2020, plus other benefits.
As part of the deal, Numsa and NUM do not want members who participated in an unprotected strike to face disciplinary action, a condition Eskom has rejected.
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