Gerrit van Rooyen, of NKC African Economics, said investors would scrutinise Ramaphosa's speech for clues on his policy preferences, as well as signals that President Jacob Zuma could be forced to step down soon.
This is one of the key conditions that Zuma has put down during behind-the-scenes negotiations now taking place with newly elected ANC President Cyril Ramaphosa, in exchange for his resignation, according to a Mail & Guardian report.
The weekly reports that Energy Minister David Mahlobo‚ who was appointed in October‚ has prioritised the implementation of nuclear energy‚ "a goal the Zuma administration apparently wants to have secured".
He favours Human Settlements Minister Lindiwe Sisulu or National Assembly Speaker Baleka Mbete.
On January 8, Ramaphosa said the ANC should now rid itself of factionalism after its elective conference in December, at which he was elected ANC president.
"At the moment, it's a stalemate (on the conditions under which Zuma would agree to resign)".
Magashule says the NEC has not discussed replacing Zuma.
Magashule said the ANC welcomed the decision by the president to establish a judicial commission of inquiry into allegations of state capture.
Another NEC meeting is expected in the next few weeks.
The rand was down 0.18 percent at 12.4150 to the dollar by 1552 GMT, on course for a weekly decline of about 1 percent.
The newly elected leadership of the ANC, led by party president Cyril Ramaphosa, has visited the graves of the party's former presidents this past week, including those of Albert Luthuli, John Langalibalele Dube and Oliver Tambo.
According to The Citizen, analysts believe it is far likelier that Zuma will be given the option to resign rather than being recalled for two reasons. It's understood Zuma's fate could be put on the agenda. When they come to our house we are overjoyed.