A sharp contradiction defined trading on Wednesday, May 13, 2026 in Johannesburg: the JSE All Share rose 0.53% to 117,380.17, while the Top 40 added 0.66% to 109,781.51, yet the broader market was notably weaker underneath the surface. Only 18 stocks advanced against 35 decliners out of 53 names tracked, showing that the headline gain was driven by a narrow group of heavyweights rather than a broad-based rally.
Key figures
- JSE All Share: +0.53% at 117,380.17
- JSE Top 40: +0.66% at 109,781.51
- Market breadth: 18 up / 35 down
- Prosus: +2.8% at 772.54 ZAR on 1.59 billion ZAR traded
- USD/ZAR: 16.387, down 0.27% on the day
Market context: JSE today looked firmer than the breadth suggested
The first takeaway from the JSE today session is that index strength overstated underlying participation. climbed to , while gained to . Together, the two stocks accounted for more than in traded value, with in Prosus and in Naspers, based on the verified market data. On the JSE, that matters disproportionately: the pair carries significant index weight, and both are tightly linked to global technology sentiment through Prosus’s stake in Tencent.