South African retail and quick service restaurants company Taste Holdings said on Tuesday its group chief executive Dylan Pienaar would step down.
South African farmers are expected to sow 2. 8% fewer hectares of the food staple maize next season than forecast in October.
A few hundred South African Airways employees have returned to work despite the strike.
South Africa?s Astral Foods Limited said on Monday its full-year profits plunged by 55% after higher feed costs hit its poultry division.
Workers at South African Airways (SAA) downed tools on Friday to demand higher wages and protest planned job cuts.
Mediclinic International Plc reported a 4% rise in half-year core earnings on Thursday.