Letter from Johannesburg

South Africa's JSE Securities Exchange is uncomfortably wedged between a rock and a hard place.

It is trying to forge an alliance with the London Stock Exchange to create a virtual trading platform that would allow certain South African companies a dual listing.

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Ray Dalio Sells Last Stake in Bridgewater, the Hedge Fund That Made Him a BillionaireExternal link

Ray Dalio Sells Last Stake in Bridgewater, the Hedge Fund That Made Him a Billionaire