Sell them NOW, take the hit and buy something else. Look at what's currently moving, or look for shares that are currently going through a dip, but have already bottom-outed. Something that is guaranteed to grow in the future.
Sappi is a good bet; they have diversified their core business, seeing as the paper market is dwindling. They are now more focus on exporting pulp to China, and seeing as the Rand is extremely bad, their values are sure to sail rather high. Mondi did the same, but not to the extent of Sappi
MTN has lost a lot of value due to the various countries fining them, but they have various other countries and markets that they are going to open up and get more revenue from, so they should be on the buy menu
Rhodes Food, Steinhoff, Pioneer and Shoprite are all surely going to gain from the annual price increase of grocery products in March, so be sure that they should see good value growths within the coming months
Naspers is a very expensive share, and is extremely dependent on the movement of the overall JSE. So, should the JSE move upwards later in the year, be sure that Naspers should reach the R2000 per share price during the year. Seeing as they are now "cheap", they can also be on the buy list.