In other news
US stocks have mostly risen, with the S&P 500 hitting a record after better-than-expected jobless claims data ahead of all-important payrolls report.
Asian markets have lifted and the dollar held on to its New York gains after better-than-expected data raised hopes for a strong payrolls report later in the day.
Oil prices have risen in Asian trade ahead of the release of a key monthly US jobs report, while traders keep an eye on the crisis in Ukraine's Crimea.
South Africa's main indices hit record highs, despite Eskom imposing rolling blackouts, as investors piled into firms that reported stronger profits.
Residents in Pretoria should brace themselves for staggered power cuts of between three and four hours at a time, the city says.
Health facilities in the Western Cape were equipped to deal with power cuts, the provincial health department says.
South African wool prices have remained virtually unchanged amid a large offering this week, Cape Wools says.
Electricity users in parts of the eastern Free State who are not paying for power will be cut off, according to Rural Maintenance.