Nairobi, April 13 -- South Africa's wobbly unit, the rand, notched its highest level against currencies like the US dollar in the middle of the week but then fell sharply to the bottom of the well after a shock opinion claimed the ruling ANC could perform disastrously in the May 29 elections.

The poll by the Social Research Foundation showed the African National Congress, which has led South Africa since the end of apartheid, could win just 37 percent support, while corruption-tarred former president Jacob Zuma's new uMkhonto weSizwe Party (MKP), may get 13 percent, making it the third largest.

The main opposition Democratic Alliance (DA), seen largely as a white-leaning pro-capitalist party, would come in second with 25 percent of the ...